72047205

素因数分解:

$3^3\times 5^1\times {\mathrm{503}}^1\times {\mathrm{1061}}^1$

素因数の和:1578

約数の個数: 32

約数和(自身を含む): 128459520

約数和(自身を除く): 56412315

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 503, 1061, 1509, 2515, 3183, 4527, 5305, 7545, 9549, 13581, 15915, 22635, 28647, 47745, 67905, 143235, 533683, 1601049, 2668415, 4803147, 8005245, 14409441, 24015735, 72047205]

約数ペア:

[(1, 72047205), (3, 24015735), (5, 14409441), (9, 8005245), (15, 4803147), (27, 2668415), (45, 1601049), (135, 533683), (503, 143235), (1061, 67905), (1509, 47745), (2515, 28647), (3183, 22635), (4527, 15915), (5305, 13581), (7545, 9549)]