81521115

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{22003}}^1$

素因数の和:22043

約数の個数: 32

約数和(自身を含む): 147866880

約数和(自身を除く): 66345765

約数列:

[1, 3, 5, 13, 15, 19, 39, 57, 65, 95, 195, 247, 285, 741, 1235, 3705, 22003, 66009, 110015, 286039, 330045, 418057, 858117, 1254171, 1430195, 2090285, 4290585, 5434741, 6270855, 16304223, 27173705, 81521115]

約数ペア:

[(1, 81521115), (3, 27173705), (5, 16304223), (13, 6270855), (15, 5434741), (19, 4290585), (39, 2090285), (57, 1430195), (65, 1254171), (95, 858117), (195, 418057), (247, 330045), (285, 286039), (741, 110015), (1235, 66009), (3705, 22003)]