31495995

素因数分解:

$3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{397}}^1$

素因数の和:492

約数の個数: 48

約数和(自身を含む): 57369312

約数和(自身を除く): 25873317

約数列:

[1, 3, 5, 9, 15, 41, 43, 45, 123, 129, 205, 215, 369, 387, 397, 615, 645, 1191, 1763, 1845, 1935, 1985, 3573, 5289, 5955, 8815, 15867, 16277, 17071, 17865, 26445, 48831, 51213, 79335, 81385, 85355, 146493, 153639, 244155, 256065, 699911, 732465, 768195, 2099733, 3499555, 6299199, 10498665, 31495995]

約数ペア:

[(1, 31495995), (3, 10498665), (5, 6299199), (9, 3499555), (15, 2099733), (41, 768195), (43, 732465), (45, 699911), (123, 256065), (129, 244155), (205, 153639), (215, 146493), (369, 85355), (387, 81385), (397, 79335), (615, 51213), (645, 48831), (1191, 26445), (1763, 17865), (1845, 17071), (1935, 16277), (1985, 15867), (3573, 8815), (5289, 5955)]