78382485

素因数分解:

$3^4\times 5^1\times {\mathrm{103}}^1\times {\mathrm{1879}}^1$

素因数の和:1999

約数の個数: 40

約数和(自身を含む): 141947520

約数和(自身を除く): 63565035

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 103, 135, 309, 405, 515, 927, 1545, 1879, 2781, 4635, 5637, 8343, 9395, 13905, 16911, 28185, 41715, 50733, 84555, 152199, 193537, 253665, 580611, 760995, 967685, 1741833, 2903055, 5225499, 8709165, 15676497, 26127495, 78382485]

約数ペア:

[(1, 78382485), (3, 26127495), (5, 15676497), (9, 8709165), (15, 5225499), (27, 2903055), (45, 1741833), (81, 967685), (103, 760995), (135, 580611), (309, 253665), (405, 193537), (515, 152199), (927, 84555), (1545, 50733), (1879, 41715), (2781, 28185), (4635, 16911), (5637, 13905), (8343, 9395)]