87178845

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{281}}^1$

素因数の和:382

約数の個数: 64

約数和(自身を含む): 158425344

約数和(自身を除く): 71246499

約数列:

[1, 3, 5, 13, 15, 37, 39, 43, 65, 111, 129, 185, 195, 215, 281, 481, 555, 559, 645, 843, 1405, 1443, 1591, 1677, 2405, 2795, 3653, 4215, 4773, 7215, 7955, 8385, 10397, 10959, 12083, 18265, 20683, 23865, 31191, 36249, 51985, 54795, 60415, 62049, 103415, 135161, 155955, 157079, 181245, 310245, 405483, 447071, 471237, 675805, 785395, 1341213, 2027415, 2235355, 2356185, 5811923, 6706065, 17435769, 29059615, 87178845]

約数ペア:

[(1, 87178845), (3, 29059615), (5, 17435769), (13, 6706065), (15, 5811923), (37, 2356185), (39, 2235355), (43, 2027415), (65, 1341213), (111, 785395), (129, 675805), (185, 471237), (195, 447071), (215, 405483), (281, 310245), (481, 181245), (555, 157079), (559, 155955), (645, 135161), (843, 103415), (1405, 62049), (1443, 60415), (1591, 54795), (1677, 51985), (2405, 36249), (2795, 31191), (3653, 23865), (4215, 20683), (4773, 18265), (7215, 12083), (7955, 10959), (8385, 10397)]