290450865

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{21491}}^1$

素因数の和:21569

約数の個数: 32

約数和(自身を含む): 501365376

約数和(自身を除く): 210914511

約数列:

[1, 3, 5, 15, 17, 51, 53, 85, 159, 255, 265, 795, 901, 2703, 4505, 13515, 21491, 64473, 107455, 322365, 365347, 1096041, 1139023, 1826735, 3417069, 5480205, 5695115, 17085345, 19363391, 58090173, 96816955, 290450865]

約数ペア:

[(1, 290450865), (3, 96816955), (5, 58090173), (15, 19363391), (17, 17085345), (51, 5695115), (53, 5480205), (85, 3417069), (159, 1826735), (255, 1139023), (265, 1096041), (795, 365347), (901, 322365), (2703, 107455), (4505, 64473), (13515, 21491)]