72227883

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{197}}^1$

素因数の和:316

約数の個数: 64

約数和(自身を含む): 127733760

約数和(自身を除く): 55505877

約数列:

[1, 3, 7, 13, 17, 21, 39, 51, 79, 91, 119, 197, 221, 237, 273, 357, 553, 591, 663, 1027, 1343, 1379, 1547, 1659, 2561, 3081, 3349, 4029, 4137, 4641, 7189, 7683, 9401, 10047, 15563, 17459, 17927, 21567, 23443, 28203, 43537, 46689, 52377, 53781, 70329, 108941, 122213, 130611, 202319, 264571, 304759, 326823, 366639, 606957, 793713, 914277, 1416233, 1851997, 3439423, 4248699, 5555991, 10318269, 24075961, 72227883]

約数ペア:

[(1, 72227883), (3, 24075961), (7, 10318269), (13, 5555991), (17, 4248699), (21, 3439423), (39, 1851997), (51, 1416233), (79, 914277), (91, 793713), (119, 606957), (197, 366639), (221, 326823), (237, 304759), (273, 264571), (357, 202319), (553, 130611), (591, 122213), (663, 108941), (1027, 70329), (1343, 53781), (1379, 52377), (1547, 46689), (1659, 43537), (2561, 28203), (3081, 23443), (3349, 21567), (4029, 17927), (4137, 17459), (4641, 15563), (7189, 10047), (7683, 9401)]