556985145

素因数分解:

$3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{137}}^1\times {\mathrm{2069}}^1$

素因数の和:2345

約数の個数: 32

約数和(自身を含む): 904970880

約数和(自身を除く): 347985735

約数列:

[1, 3, 5, 15, 131, 137, 393, 411, 655, 685, 1965, 2055, 2069, 6207, 10345, 17947, 31035, 53841, 89735, 269205, 271039, 283453, 813117, 850359, 1355195, 1417265, 4065585, 4251795, 37132343, 111397029, 185661715, 556985145]

約数ペア:

[(1, 556985145), (3, 185661715), (5, 111397029), (15, 37132343), (131, 4251795), (137, 4065585), (393, 1417265), (411, 1355195), (655, 850359), (685, 813117), (1965, 283453), (2055, 271039), (2069, 269205), (6207, 89735), (10345, 53841), (17947, 31035)]