289397775

素因数分解:

$3^1\times 5^2\times {\mathrm{71}}^1\times {\mathrm{54347}}^1$

素因数の和:54431

約数の個数: 24

約数和(自身を含む): 485218944

約数和(自身を除く): 195821169

約数列:

[1, 3, 5, 15, 25, 71, 75, 213, 355, 1065, 1775, 5325, 54347, 163041, 271735, 815205, 1358675, 3858637, 4076025, 11575911, 19293185, 57879555, 96465925, 289397775]

約数ペア:

[(1, 289397775), (3, 96465925), (5, 57879555), (15, 19293185), (25, 11575911), (71, 4076025), (75, 3858637), (213, 1358675), (355, 815205), (1065, 271735), (1775, 163041), (5325, 54347)]