71921577

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{15497}}^1$

素因数の和:15537

約数の個数: 32

約数和(自身を含む): 124975872

約数和(自身を除く): 53054295

約数列:

[1, 3, 7, 13, 17, 21, 39, 51, 91, 119, 221, 273, 357, 663, 1547, 4641, 15497, 46491, 108479, 201461, 263449, 325437, 604383, 790347, 1410227, 1844143, 3424837, 4230681, 5532429, 10274511, 23973859, 71921577]

約数ペア:

[(1, 71921577), (3, 23973859), (7, 10274511), (13, 5532429), (17, 4230681), (21, 3424837), (39, 1844143), (51, 1410227), (91, 790347), (119, 604383), (221, 325437), (273, 263449), (357, 201461), (663, 108479), (1547, 46491), (4641, 15497)]