15705531621

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{241}}^1\times {\mathrm{293}}^1\times {\mathrm{1901}}^1$

素因数の和:2454

約数の個数: 48

約数和(自身を含む): 24628876272

約数和(自身を除く): 8923344651

約数列:

[1, 3, 9, 13, 39, 117, 241, 293, 723, 879, 1901, 2169, 2637, 3133, 3809, 5703, 9399, 11427, 17109, 24713, 28197, 34281, 70613, 74139, 211839, 222417, 458141, 556993, 635517, 917969, 1374423, 1670979, 2753907, 4123269, 5012937, 5955833, 7240909, 8261721, 17867499, 21722727, 53602497, 65168181, 134235313, 402705939, 1208117817, 1745059069, 5235177207, 15705531621]

約数ペア:

[(1, 15705531621), (3, 5235177207), (9, 1745059069), (13, 1208117817), (39, 402705939), (117, 134235313), (241, 65168181), (293, 53602497), (723, 21722727), (879, 17867499), (1901, 8261721), (2169, 7240909), (2637, 5955833), (3133, 5012937), (3809, 4123269), (5703, 2753907), (9399, 1670979), (11427, 1374423), (17109, 917969), (24713, 635517), (28197, 556993), (34281, 458141), (70613, 222417), (74139, 211839)]