89940825

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{317}}^1$

素因数の和:443

約数の個数: 72

約数和(自身を含む): 175827288

約数和(自身を除く): 85886463

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 45, 65, 75, 97, 117, 195, 225, 291, 317, 325, 485, 585, 873, 951, 975, 1261, 1455, 1585, 2425, 2853, 2925, 3783, 4121, 4365, 4755, 6305, 7275, 7925, 11349, 12363, 14265, 18915, 20605, 21825, 23775, 30749, 31525, 37089, 56745, 61815, 71325, 92247, 94575, 103025, 153745, 185445, 276741, 283725, 309075, 399737, 461235, 768725, 927225, 1199211, 1383705, 1998685, 2306175, 3597633, 5996055, 6918525, 9993425, 17988165, 29980275, 89940825]

約数ペア:

[(1, 89940825), (3, 29980275), (5, 17988165), (9, 9993425), (13, 6918525), (15, 5996055), (25, 3597633), (39, 2306175), (45, 1998685), (65, 1383705), (75, 1199211), (97, 927225), (117, 768725), (195, 461235), (225, 399737), (291, 309075), (317, 283725), (325, 276741), (485, 185445), (585, 153745), (873, 103025), (951, 94575), (975, 92247), (1261, 71325), (1455, 61815), (1585, 56745), (2425, 37089), (2853, 31525), (2925, 30749), (3783, 23775), (4121, 21825), (4365, 20605), (4755, 18915), (6305, 14265), (7275, 12363), (7925, 11349)]