16389495

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{661}}^1$

素因数の和:720

約数の個数: 48

約数和(自身を含む): 30981600

約数和(自身を除く): 14592105

約数列:

[1, 3, 5, 9, 15, 19, 29, 45, 57, 87, 95, 145, 171, 261, 285, 435, 551, 661, 855, 1305, 1653, 1983, 2755, 3305, 4959, 5949, 8265, 9915, 12559, 19169, 24795, 29745, 37677, 57507, 62795, 95845, 113031, 172521, 188385, 287535, 364211, 565155, 862605, 1092633, 1821055, 3277899, 5463165, 16389495]

約数ペア:

[(1, 16389495), (3, 5463165), (5, 3277899), (9, 1821055), (15, 1092633), (19, 862605), (29, 565155), (45, 364211), (57, 287535), (87, 188385), (95, 172521), (145, 113031), (171, 95845), (261, 62795), (285, 57507), (435, 37677), (551, 29745), (661, 24795), (855, 19169), (1305, 12559), (1653, 9915), (1983, 8265), (2755, 5949), (3305, 4959)]