16667025

素因数分解:

$3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{97}}^1$

素因数の和:218

約数の個数: 48

約数和(自身を含む): 29164800

約数和(自身を除く): 12497775

約数列:

[1, 3, 5, 15, 25, 29, 75, 79, 87, 97, 145, 237, 291, 395, 435, 485, 725, 1185, 1455, 1975, 2175, 2291, 2425, 2813, 5925, 6873, 7275, 7663, 8439, 11455, 14065, 22989, 34365, 38315, 42195, 57275, 70325, 114945, 171825, 191575, 210975, 222227, 574725, 666681, 1111135, 3333405, 5555675, 16667025]

約数ペア:

[(1, 16667025), (3, 5555675), (5, 3333405), (15, 1111135), (25, 666681), (29, 574725), (75, 222227), (79, 210975), (87, 191575), (97, 171825), (145, 114945), (237, 70325), (291, 57275), (395, 42195), (435, 38315), (485, 34365), (725, 22989), (1185, 14065), (1455, 11455), (1975, 8439), (2175, 7663), (2291, 7275), (2425, 6873), (2813, 5925)]