1283975

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1$

素因数の和:80

約数の個数: 48

約数和(自身を含む): 2142720

約数和(自身を除く): 858745

約数列:

[1, 5, 7, 11, 23, 25, 29, 35, 55, 77, 115, 145, 161, 175, 203, 253, 275, 319, 385, 575, 667, 725, 805, 1015, 1265, 1595, 1771, 1925, 2233, 3335, 4025, 4669, 5075, 6325, 7337, 7975, 8855, 11165, 16675, 23345, 36685, 44275, 51359, 55825, 116725, 183425, 256795, 1283975]

約数ペア:

[(1, 1283975), (5, 256795), (7, 183425), (11, 116725), (23, 55825), (25, 51359), (29, 44275), (35, 36685), (55, 23345), (77, 16675), (115, 11165), (145, 8855), (161, 7975), (175, 7337), (203, 6325), (253, 5075), (275, 4669), (319, 4025), (385, 3335), (575, 2233), (667, 1925), (725, 1771), (805, 1595), (1015, 1265)]