68991525

素因数分解:

$3^2\times 5^2\times {\mathrm{17}}^2\times {\mathrm{1061}}^1$

素因数の和:1111

約数の個数: 54

約数和(自身を含む): 131391702

約数和(自身を除く): 62400177

約数列:

[1, 3, 5, 9, 15, 17, 25, 45, 51, 75, 85, 153, 225, 255, 289, 425, 765, 867, 1061, 1275, 1445, 2601, 3183, 3825, 4335, 5305, 7225, 9549, 13005, 15915, 18037, 21675, 26525, 47745, 54111, 65025, 79575, 90185, 162333, 238725, 270555, 306629, 450925, 811665, 919887, 1352775, 1533145, 2759661, 4058325, 4599435, 7665725, 13798305, 22997175, 68991525]

約数ペア:

[(1, 68991525), (3, 22997175), (5, 13798305), (9, 7665725), (15, 4599435), (17, 4058325), (25, 2759661), (45, 1533145), (51, 1352775), (75, 919887), (85, 811665), (153, 450925), (225, 306629), (255, 270555), (289, 238725), (425, 162333), (765, 90185), (867, 79575), (1061, 65025), (1275, 54111), (1445, 47745), (2601, 26525), (3183, 21675), (3825, 18037), (4335, 15915), (5305, 13005), (7225, 9549)]