42012945

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{647}}^1$

素因数の和:711

約数の個数: 64

約数和(自身を含む): 82736640

約数和(自身を除く): 40723695

約数列:

[1, 3, 5, 9, 13, 15, 27, 37, 39, 45, 65, 111, 117, 135, 185, 195, 333, 351, 481, 555, 585, 647, 999, 1443, 1665, 1755, 1941, 2405, 3235, 4329, 4995, 5823, 7215, 8411, 9705, 12987, 17469, 21645, 23939, 25233, 29115, 42055, 64935, 71817, 75699, 87345, 119695, 126165, 215451, 227097, 311207, 359085, 378495, 646353, 933621, 1077255, 1135485, 1556035, 2800863, 3231765, 4668105, 8402589, 14004315, 42012945]

約数ペア:

[(1, 42012945), (3, 14004315), (5, 8402589), (9, 4668105), (13, 3231765), (15, 2800863), (27, 1556035), (37, 1135485), (39, 1077255), (45, 933621), (65, 646353), (111, 378495), (117, 359085), (135, 311207), (185, 227097), (195, 215451), (333, 126165), (351, 119695), (481, 87345), (555, 75699), (585, 71817), (647, 64935), (999, 42055), (1443, 29115), (1665, 25233), (1755, 23939), (1941, 21645), (2405, 17469), (3235, 12987), (4329, 9705), (4995, 8411), (5823, 7215)]