71920563

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{197}}^1$

素因数の和:284

約数の個数: 64

約数和(自身を含む): 121347072

約数和(自身を除く): 49426509

約数列:

[1, 3, 11, 13, 23, 33, 37, 39, 69, 111, 143, 197, 253, 299, 407, 429, 481, 591, 759, 851, 897, 1221, 1443, 2167, 2553, 2561, 3289, 4531, 5291, 6501, 7289, 7683, 9361, 9867, 11063, 13593, 15873, 21867, 28083, 28171, 33189, 49841, 58903, 80179, 84513, 94757, 121693, 149523, 167647, 176709, 240537, 284271, 365079, 502941, 647933, 1042327, 1844117, 1943799, 2179411, 3126981, 5532351, 6538233, 23973521, 71920563]

約数ペア:

[(1, 71920563), (3, 23973521), (11, 6538233), (13, 5532351), (23, 3126981), (33, 2179411), (37, 1943799), (39, 1844117), (69, 1042327), (111, 647933), (143, 502941), (197, 365079), (253, 284271), (299, 240537), (407, 176709), (429, 167647), (481, 149523), (591, 121693), (759, 94757), (851, 84513), (897, 80179), (1221, 58903), (1443, 49841), (2167, 33189), (2553, 28171), (2561, 28083), (3289, 21867), (4531, 15873), (5291, 13593), (6501, 11063), (7289, 9867), (7683, 9361)]