81856005

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{541}}^1$

素因数の和:698

約数の個数: 64

約数和(自身を含む): 164837376

約数和(自身を除く): 82981371

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 55, 77, 105, 131, 165, 231, 385, 393, 541, 655, 917, 1155, 1441, 1623, 1965, 2705, 2751, 3787, 4323, 4585, 5951, 7205, 8115, 10087, 11361, 13755, 17853, 18935, 21615, 29755, 30261, 41657, 50435, 56805, 70871, 89265, 124971, 151305, 208285, 212613, 354355, 496097, 624855, 779581, 1063065, 1488291, 2338743, 2480485, 3897905, 5457067, 7441455, 11693715, 16371201, 27285335, 81856005]

約数ペア:

[(1, 81856005), (3, 27285335), (5, 16371201), (7, 11693715), (11, 7441455), (15, 5457067), (21, 3897905), (33, 2480485), (35, 2338743), (55, 1488291), (77, 1063065), (105, 779581), (131, 624855), (165, 496097), (231, 354355), (385, 212613), (393, 208285), (541, 151305), (655, 124971), (917, 89265), (1155, 70871), (1441, 56805), (1623, 50435), (1965, 41657), (2705, 30261), (2751, 29755), (3787, 21615), (4323, 18935), (4585, 17853), (5951, 13755), (7205, 11361), (8115, 10087)]