81626475

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{181}}^1\times {\mathrm{859}}^1$

素因数の和:1060

約数の個数: 48

約数和(自身を含む): 155267840

約数和(自身を除く): 73641365

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 175, 181, 525, 543, 859, 905, 1267, 2577, 2715, 3801, 4295, 4525, 6013, 6335, 12885, 13575, 18039, 19005, 21475, 30065, 31675, 64425, 90195, 95025, 150325, 155479, 450975, 466437, 777395, 1088353, 2332185, 3265059, 3886975, 5441765, 11660925, 16325295, 27208825, 81626475]

約数ペア:

[(1, 81626475), (3, 27208825), (5, 16325295), (7, 11660925), (15, 5441765), (21, 3886975), (25, 3265059), (35, 2332185), (75, 1088353), (105, 777395), (175, 466437), (181, 450975), (525, 155479), (543, 150325), (859, 95025), (905, 90195), (1267, 64425), (2577, 31675), (2715, 30065), (3801, 21475), (4295, 19005), (4525, 18039), (6013, 13575), (6335, 12885)]