81342645

素因数分解:

$3^1\times 5^1\times {\mathrm{503}}^1\times {\mathrm{10781}}^1$

素因数の和:11292

約数の個数: 16

約数和(自身を含む): 130419072

約数和(自身を除く): 49076427

約数列:

[1, 3, 5, 15, 503, 1509, 2515, 7545, 10781, 32343, 53905, 161715, 5422843, 16268529, 27114215, 81342645]

約数ペア:

[(1, 81342645), (3, 27114215), (5, 16268529), (15, 5422843), (503, 161715), (1509, 53905), (2515, 32343), (7545, 10781)]