27320985

素因数分解:

$3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{269}}^1$

素因数の和:378

約数の個数: 48

約数和(自身を含む): 49617360

約数和(自身を除く): 22296375

約数列:

[1, 3, 5, 9, 15, 37, 45, 61, 111, 183, 185, 269, 305, 333, 549, 555, 807, 915, 1345, 1665, 2257, 2421, 2745, 4035, 6771, 9953, 11285, 12105, 16409, 20313, 29859, 33855, 49227, 49765, 82045, 89577, 101565, 147681, 149295, 246135, 447885, 607133, 738405, 1821399, 3035665, 5464197, 9106995, 27320985]

約数ペア:

[(1, 27320985), (3, 9106995), (5, 5464197), (9, 3035665), (15, 1821399), (37, 738405), (45, 607133), (61, 447885), (111, 246135), (183, 149295), (185, 147681), (269, 101565), (305, 89577), (333, 82045), (549, 49765), (555, 49227), (807, 33855), (915, 29859), (1345, 20313), (1665, 16409), (2257, 12105), (2421, 11285), (2745, 9953), (4035, 6771)]