63881895

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1$

素因数の和:157

約数の個数: 128

約数和(自身を含む): 139345920

約数和(自身を除く): 75464025

約数列:

[1, 3, 5, 7, 11, 15, 19, 21, 33, 35, 41, 55, 57, 71, 77, 95, 105, 123, 133, 165, 205, 209, 213, 231, 285, 287, 355, 385, 399, 451, 497, 615, 627, 665, 779, 781, 861, 1045, 1065, 1155, 1349, 1353, 1435, 1463, 1491, 1995, 2255, 2337, 2343, 2485, 2911, 3135, 3157, 3895, 3905, 4047, 4305, 4389, 5453, 5467, 6745, 6765, 7315, 7455, 8569, 8733, 9443, 9471, 11685, 11715, 14555, 14839, 15785, 16359, 16401, 20235, 20377, 21945, 25707, 27265, 27335, 28329, 32021, 42845, 43665, 44517, 47215, 47355, 55309, 59983, 61131, 74195, 81795, 82005, 96063, 101885, 103873, 128535, 141645, 160105, 165927, 179949, 222585, 224147, 276545, 299915, 305655, 311619, 387163, 480315, 519365, 608399, 672441, 829635, 899745, 1120735, 1161489, 1558095, 1825197, 1935815, 3041995, 3362205, 4258793, 5807445, 9125985, 12776379, 21293965, 63881895]

約数ペア:

[(1, 63881895), (3, 21293965), (5, 12776379), (7, 9125985), (11, 5807445), (15, 4258793), (19, 3362205), (21, 3041995), (33, 1935815), (35, 1825197), (41, 1558095), (55, 1161489), (57, 1120735), (71, 899745), (77, 829635), (95, 672441), (105, 608399), (123, 519365), (133, 480315), (165, 387163), (205, 311619), (209, 305655), (213, 299915), (231, 276545), (285, 224147), (287, 222585), (355, 179949), (385, 165927), (399, 160105), (451, 141645), (497, 128535), (615, 103873), (627, 101885), (665, 96063), (779, 82005), (781, 81795), (861, 74195), (1045, 61131), (1065, 59983), (1155, 55309), (1349, 47355), (1353, 47215), (1435, 44517), (1463, 43665), (1491, 42845), (1995, 32021), (2255, 28329), (2337, 27335), (2343, 27265), (2485, 25707), (2911, 21945), (3135, 20377), (3157, 20235), (3895, 16401), (3905, 16359), (4047, 15785), (4305, 14839), (4389, 14555), (5453, 11715), (5467, 11685), (6745, 9471), (6765, 9443), (7315, 8733), (7455, 8569)]