2181859485

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{272903}}^1$

素因数の和:272965

約数の個数: 32

約数和(自身を含む): 3851221248

約数和(自身を除く): 1669361763

約数列:

[1, 3, 5, 13, 15, 39, 41, 65, 123, 195, 205, 533, 615, 1599, 2665, 7995, 272903, 818709, 1364515, 3547739, 4093545, 10643217, 11189023, 17738695, 33567069, 53216085, 55945115, 145457299, 167835345, 436371897, 727286495, 2181859485]

約数ペア:

[(1, 2181859485), (3, 727286495), (5, 436371897), (13, 167835345), (15, 145457299), (39, 55945115), (41, 53216085), (65, 33567069), (123, 17738695), (195, 11189023), (205, 10643217), (533, 4093545), (615, 3547739), (1599, 1364515), (2665, 818709), (7995, 272903)]