31064775

素因数分解:

$3^1\times 5^2\times 7^2\times {\mathrm{79}}^1\times {\mathrm{107}}^1$

素因数の和:213

約数の個数: 72

約数和(自身を含む): 61067520

約数和(自身を除く): 30002745

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 49, 75, 79, 105, 107, 147, 175, 237, 245, 321, 395, 525, 535, 553, 735, 749, 1185, 1225, 1605, 1659, 1975, 2247, 2675, 2765, 3675, 3745, 3871, 5243, 5925, 8025, 8295, 8453, 11235, 11613, 13825, 15729, 18725, 19355, 25359, 26215, 41475, 42265, 56175, 58065, 59171, 78645, 96775, 126795, 131075, 177513, 211325, 290325, 295855, 393225, 414197, 633975, 887565, 1242591, 1479275, 2070985, 4437825, 6212955, 10354925, 31064775]

約数ペア:

[(1, 31064775), (3, 10354925), (5, 6212955), (7, 4437825), (15, 2070985), (21, 1479275), (25, 1242591), (35, 887565), (49, 633975), (75, 414197), (79, 393225), (105, 295855), (107, 290325), (147, 211325), (175, 177513), (237, 131075), (245, 126795), (321, 96775), (395, 78645), (525, 59171), (535, 58065), (553, 56175), (735, 42265), (749, 41475), (1185, 26215), (1225, 25359), (1605, 19355), (1659, 18725), (1975, 15729), (2247, 13825), (2675, 11613), (2765, 11235), (3675, 8453), (3745, 8295), (3871, 8025), (5243, 5925)]