71197815

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{83}}^2$

素因数の和:240

約数の個数: 48

約数和(自身を含む): 126518112

約数和(自身を除く): 55320297

約数列:

[1, 3, 5, 13, 15, 39, 53, 65, 83, 159, 195, 249, 265, 415, 689, 795, 1079, 1245, 2067, 3237, 3445, 4399, 5395, 6889, 10335, 13197, 16185, 20667, 21995, 34445, 57187, 65985, 89557, 103335, 171561, 268671, 285935, 365117, 447785, 857805, 1095351, 1343355, 1825585, 4746521, 5476755, 14239563, 23732605, 71197815]

約数ペア:

[(1, 71197815), (3, 23732605), (5, 14239563), (13, 5476755), (15, 4746521), (39, 1825585), (53, 1343355), (65, 1095351), (83, 857805), (159, 447785), (195, 365117), (249, 285935), (265, 268671), (415, 171561), (689, 103335), (795, 89557), (1079, 65985), (1245, 57187), (2067, 34445), (3237, 21995), (3445, 20667), (4399, 16185), (5395, 13197), (6889, 10335)]