3129615

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{4091}}^1$

素因数の和:4119

約数の個数: 24

約数和(自身を含む): 5745168

約数和(自身を除く): 2615553

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 4091, 12273, 20455, 36819, 61365, 69547, 184095, 208641, 347735, 625923, 1043205, 3129615]

約数ペア:

[(1, 3129615), (3, 1043205), (5, 625923), (9, 347735), (15, 208641), (17, 184095), (45, 69547), (51, 61365), (85, 36819), (153, 20455), (255, 12273), (765, 4091)]