262912455

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{181}}^1\times {\mathrm{191}}^1$

素因数の和:409

約数の個数: 72

約数和(自身を含む): 498790656

約数和(自身を除く): 235878201

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 169, 181, 191, 195, 507, 543, 573, 585, 845, 905, 955, 1521, 1629, 1719, 2353, 2483, 2535, 2715, 2865, 7059, 7449, 7605, 8145, 8595, 11765, 12415, 21177, 22347, 30589, 32279, 34571, 35295, 37245, 91767, 96837, 103713, 105885, 111735, 152945, 161395, 172855, 275301, 290511, 311139, 449423, 458835, 484185, 518565, 1348269, 1376505, 1452555, 1555695, 2247115, 4044807, 5842499, 6741345, 17527497, 20224035, 29212495, 52582491, 87637485, 262912455]

約数ペア:

[(1, 262912455), (3, 87637485), (5, 52582491), (9, 29212495), (13, 20224035), (15, 17527497), (39, 6741345), (45, 5842499), (65, 4044807), (117, 2247115), (169, 1555695), (181, 1452555), (191, 1376505), (195, 1348269), (507, 518565), (543, 484185), (573, 458835), (585, 449423), (845, 311139), (905, 290511), (955, 275301), (1521, 172855), (1629, 161395), (1719, 152945), (2353, 111735), (2483, 105885), (2535, 103713), (2715, 96837), (2865, 91767), (7059, 37245), (7449, 35295), (7605, 34571), (8145, 32279), (8595, 30589), (11765, 22347), (12415, 21177)]