279513465

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{271}}^1$

素因数の和:363

約数の個数: 128

約数和(自身を含む): 601620480

約数和(自身を除く): 322107015

約数列:

[1, 3, 5, 7, 11, 15, 19, 21, 33, 35, 47, 55, 57, 77, 95, 105, 133, 141, 165, 209, 231, 235, 271, 285, 329, 385, 399, 517, 627, 665, 705, 813, 893, 987, 1045, 1155, 1355, 1463, 1551, 1645, 1897, 1995, 2585, 2679, 2981, 3135, 3619, 4065, 4389, 4465, 4935, 5149, 5691, 6251, 7315, 7755, 8943, 9485, 9823, 10857, 12737, 13395, 14905, 15447, 18095, 18753, 20867, 21945, 25745, 28455, 29469, 31255, 36043, 38211, 44715, 49115, 54285, 56639, 62601, 63685, 68761, 77235, 89159, 93765, 104335, 108129, 140107, 147345, 169917, 180215, 191055, 206283, 242003, 267477, 283195, 313005, 343805, 396473, 420321, 445795, 540645, 700535, 726009, 849585, 980749, 1031415, 1189419, 1210015, 1337385, 1694021, 1982365, 2101605, 2662033, 2942247, 3630045, 4903745, 5082063, 5947095, 7986099, 8470105, 13310165, 14711235, 18634231, 25410315, 39930495, 55902693, 93171155, 279513465]

約数ペア:

[(1, 279513465), (3, 93171155), (5, 55902693), (7, 39930495), (11, 25410315), (15, 18634231), (19, 14711235), (21, 13310165), (33, 8470105), (35, 7986099), (47, 5947095), (55, 5082063), (57, 4903745), (77, 3630045), (95, 2942247), (105, 2662033), (133, 2101605), (141, 1982365), (165, 1694021), (209, 1337385), (231, 1210015), (235, 1189419), (271, 1031415), (285, 980749), (329, 849585), (385, 726009), (399, 700535), (517, 540645), (627, 445795), (665, 420321), (705, 396473), (813, 343805), (893, 313005), (987, 283195), (1045, 267477), (1155, 242003), (1355, 206283), (1463, 191055), (1551, 180215), (1645, 169917), (1897, 147345), (1995, 140107), (2585, 108129), (2679, 104335), (2981, 93765), (3135, 89159), (3619, 77235), (4065, 68761), (4389, 63685), (4465, 62601), (4935, 56639), (5149, 54285), (5691, 49115), (6251, 44715), (7315, 38211), (7755, 36043), (8943, 31255), (9485, 29469), (9823, 28455), (10857, 25745), (12737, 21945), (13395, 20867), (14905, 18753), (15447, 18095)]