71991651

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{317}}^1$

素因数の和:471

約数の個数: 32

約数和(自身を含む): 105046848

約数和(自身を除く): 33055197

約数列:

[1, 3, 17, 51, 61, 73, 183, 219, 317, 951, 1037, 1241, 3111, 3723, 4453, 5389, 13359, 16167, 19337, 23141, 58011, 69423, 75701, 227103, 328729, 393397, 986187, 1180191, 1411601, 4234803, 23997217, 71991651]

約数ペア:

[(1, 71991651), (3, 23997217), (17, 4234803), (51, 1411601), (61, 1180191), (73, 986187), (183, 393397), (219, 328729), (317, 227103), (951, 75701), (1037, 69423), (1241, 58011), (3111, 23141), (3723, 19337), (4453, 16167), (5389, 13359)]