291219975

素因数分解:

$3^3\times 5^2\times {\mathrm{317}}^1\times {\mathrm{1361}}^1$

素因数の和:1697

約数の個数: 48

約数和(自身を含む): 537063840

約数和(自身を除く): 245843865

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 135, 225, 317, 675, 951, 1361, 1585, 2853, 4083, 4755, 6805, 7925, 8559, 12249, 14265, 20415, 23775, 34025, 36747, 42795, 61245, 71325, 102075, 183735, 213975, 306225, 431437, 918675, 1294311, 2157185, 3882933, 6471555, 10785925, 11648799, 19414665, 32357775, 58243995, 97073325, 291219975]

約数ペア:

[(1, 291219975), (3, 97073325), (5, 58243995), (9, 32357775), (15, 19414665), (25, 11648799), (27, 10785925), (45, 6471555), (75, 3882933), (135, 2157185), (225, 1294311), (317, 918675), (675, 431437), (951, 306225), (1361, 213975), (1585, 183735), (2853, 102075), (4083, 71325), (4755, 61245), (6805, 42795), (7925, 36747), (8559, 34025), (12249, 23775), (14265, 20415)]