81859855

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{1427}}^1$

素因数の和:1599

約数の個数: 32

約数和(自身を含む): 123379200

約数和(自身を除く): 41519345

約数列:

[1, 5, 7, 11, 35, 55, 77, 149, 385, 745, 1043, 1427, 1639, 5215, 7135, 8195, 9989, 11473, 15697, 49945, 57365, 78485, 109879, 212623, 549395, 1063115, 1488361, 2338853, 7441805, 11694265, 16371971, 81859855]

約数ペア:

[(1, 81859855), (5, 16371971), (7, 11694265), (11, 7441805), (35, 2338853), (55, 1488361), (77, 1063115), (149, 549395), (385, 212623), (745, 109879), (1043, 78485), (1427, 57365), (1639, 49945), (5215, 15697), (7135, 11473), (8195, 9989)]