287254425

素因数分解:

$3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{132071}}^1$

素因数の和:132113

約数の個数: 24

約数和(自身を含む): 491307840

約数和(自身を除く): 204053415

約数列:

[1, 3, 5, 15, 25, 29, 75, 87, 145, 435, 725, 2175, 132071, 396213, 660355, 1981065, 3301775, 3830059, 9905325, 11490177, 19150295, 57450885, 95751475, 287254425]

約数ペア:

[(1, 287254425), (3, 95751475), (5, 57450885), (15, 19150295), (25, 11490177), (29, 9905325), (75, 3830059), (87, 3301775), (145, 1981065), (435, 660355), (725, 396213), (2175, 132071)]