2513945

素因数分解:

$5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{331}}^1$

素因数の和:381

約数の個数: 24

約数和(自身を含む): 3633408

約数和(自身を除く): 1119463

約数列:

[1, 5, 7, 31, 35, 49, 155, 217, 245, 331, 1085, 1519, 1655, 2317, 7595, 10261, 11585, 16219, 51305, 71827, 81095, 359135, 502789, 2513945]

約数ペア:

[(1, 2513945), (5, 502789), (7, 359135), (31, 81095), (35, 71827), (49, 51305), (155, 16219), (217, 11585), (245, 10261), (331, 7595), (1085, 2317), (1519, 1655)]