209075145

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{271}}^1\times {\mathrm{2707}}^1$

素因数の和:3005

約数の個数: 32

約数和(自身を含む): 353556480

約数和(自身を除く): 144481335

約数列:

[1, 3, 5, 15, 19, 57, 95, 271, 285, 813, 1355, 2707, 4065, 5149, 8121, 13535, 15447, 25745, 40605, 51433, 77235, 154299, 257165, 733597, 771495, 2200791, 3667985, 11003955, 13938343, 41815029, 69691715, 209075145]

約数ペア:

[(1, 209075145), (3, 69691715), (5, 41815029), (15, 13938343), (19, 11003955), (57, 3667985), (95, 2200791), (271, 771495), (285, 733597), (813, 257165), (1355, 154299), (2707, 77235), (4065, 51433), (5149, 40605), (8121, 25745), (13535, 15447)]