68907015

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{971}}^1$

素因数の和:1084

約数の個数: 48

約数和(自身を含む): 127370880

約数和(自身を除く): 58463865

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 83, 95, 171, 249, 285, 415, 747, 855, 971, 1245, 1577, 2913, 3735, 4731, 4855, 7885, 8739, 14193, 14565, 18449, 23655, 43695, 55347, 70965, 80593, 92245, 166041, 241779, 276735, 402965, 725337, 830205, 1208895, 1531267, 3626685, 4593801, 7656335, 13781403, 22969005, 68907015]

約数ペア:

[(1, 68907015), (3, 22969005), (5, 13781403), (9, 7656335), (15, 4593801), (19, 3626685), (45, 1531267), (57, 1208895), (83, 830205), (95, 725337), (171, 402965), (249, 276735), (285, 241779), (415, 166041), (747, 92245), (855, 80593), (971, 70965), (1245, 55347), (1577, 43695), (2913, 23655), (3735, 18449), (4731, 14565), (4855, 14193), (7885, 8739)]