81474705

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139273}}^1$

素因数の和:139297

約数の個数: 24

約数和(自身を含む): 152087208

約数和(自身を除く): 70612503

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 585, 139273, 417819, 696365, 1253457, 1810549, 2089095, 5431647, 6267285, 9052745, 16294941, 27158235, 81474705]

約数ペア:

[(1, 81474705), (3, 27158235), (5, 16294941), (9, 9052745), (13, 6267285), (15, 5431647), (39, 2089095), (45, 1810549), (65, 1253457), (117, 696365), (195, 417819), (585, 139273)]