79571475

素因数分解:

$3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{293}}^1$

素因数の和:397

約数の個数: 72

約数和(自身を含む): 153552672

約数和(自身を除く): 73981197

約数列:

[1, 3, 5, 9, 15, 17, 25, 45, 51, 71, 75, 85, 153, 213, 225, 255, 293, 355, 425, 639, 765, 879, 1065, 1207, 1275, 1465, 1775, 2637, 3195, 3621, 3825, 4395, 4981, 5325, 6035, 7325, 10863, 13185, 14943, 15975, 18105, 20803, 21975, 24905, 30175, 44829, 54315, 62409, 65925, 74715, 90525, 104015, 124525, 187227, 224145, 271575, 312045, 353651, 373575, 520075, 936135, 1060953, 1120725, 1560225, 1768255, 3182859, 4680675, 5304765, 8841275, 15914295, 26523825, 79571475]

約数ペア:

[(1, 79571475), (3, 26523825), (5, 15914295), (9, 8841275), (15, 5304765), (17, 4680675), (25, 3182859), (45, 1768255), (51, 1560225), (71, 1120725), (75, 1060953), (85, 936135), (153, 520075), (213, 373575), (225, 353651), (255, 312045), (293, 271575), (355, 224145), (425, 187227), (639, 124525), (765, 104015), (879, 90525), (1065, 74715), (1207, 65925), (1275, 62409), (1465, 54315), (1775, 44829), (2637, 30175), (3195, 24905), (3621, 21975), (3825, 20803), (4395, 18105), (4981, 15975), (5325, 14943), (6035, 13185), (7325, 10863)]