79915725

素因数分解:

$3^2\times 5^2\times {\mathrm{17}}^2\times {\mathrm{1229}}^1$

素因数の和:1279

約数の個数: 54

約数和(自身を含む): 152176830

約数和(自身を除く): 72261105

約数列:

[1, 3, 5, 9, 15, 17, 25, 45, 51, 75, 85, 153, 225, 255, 289, 425, 765, 867, 1229, 1275, 1445, 2601, 3687, 3825, 4335, 6145, 7225, 11061, 13005, 18435, 20893, 21675, 30725, 55305, 62679, 65025, 92175, 104465, 188037, 276525, 313395, 355181, 522325, 940185, 1065543, 1566975, 1775905, 3196629, 4700925, 5327715, 8879525, 15983145, 26638575, 79915725]

約数ペア:

[(1, 79915725), (3, 26638575), (5, 15983145), (9, 8879525), (15, 5327715), (17, 4700925), (25, 3196629), (45, 1775905), (51, 1566975), (75, 1065543), (85, 940185), (153, 522325), (225, 355181), (255, 313395), (289, 276525), (425, 188037), (765, 104465), (867, 92175), (1229, 65025), (1275, 62679), (1445, 55305), (2601, 30725), (3687, 21675), (3825, 20893), (4335, 18435), (6145, 13005), (7225, 11061)]