420685785

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{18439}}^1$

素因数の和:18479

約数の個数: 48

約数和(自身を含む): 809884800

約数和(自身を除く): 389199015

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 117, 135, 169, 195, 351, 507, 585, 845, 1521, 1755, 2535, 4563, 7605, 18439, 22815, 55317, 92195, 165951, 239707, 276585, 497853, 719121, 829755, 1198535, 2157363, 2489265, 3116191, 3595605, 6472089, 9348573, 10786815, 15580955, 28045719, 32360445, 46742865, 84137157, 140228595, 420685785]

約数ペア:

[(1, 420685785), (3, 140228595), (5, 84137157), (9, 46742865), (13, 32360445), (15, 28045719), (27, 15580955), (39, 10786815), (45, 9348573), (65, 6472089), (117, 3595605), (135, 3116191), (169, 2489265), (195, 2157363), (351, 1198535), (507, 829755), (585, 719121), (845, 497853), (1521, 276585), (1755, 239707), (2535, 165951), (4563, 92195), (7605, 55317), (18439, 22815)]