28110405

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{1861}}^1$

素因数の和:1941

約数の個数: 32

約数和(自身を含む): 48263040

約数和(自身を除く): 20152635

約数列:

[1, 3, 5, 15, 19, 53, 57, 95, 159, 265, 285, 795, 1007, 1861, 3021, 5035, 5583, 9305, 15105, 27915, 35359, 98633, 106077, 176795, 295899, 493165, 530385, 1479495, 1874027, 5622081, 9370135, 28110405]

約数ペア:

[(1, 28110405), (3, 9370135), (5, 5622081), (15, 1874027), (19, 1479495), (53, 530385), (57, 493165), (95, 295899), (159, 176795), (265, 106077), (285, 98633), (795, 35359), (1007, 27915), (1861, 15105), (3021, 9305), (5035, 5583)]