31169925

素因数分解:

$3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{281}}^1$

素因数の和:343

約数の個数: 72

約数和(自身を含む): 61368840

約数和(自身を除く): 30198915

約数列:

[1, 3, 5, 9, 15, 17, 25, 29, 45, 51, 75, 85, 87, 145, 153, 225, 255, 261, 281, 425, 435, 493, 725, 765, 843, 1275, 1305, 1405, 1479, 2175, 2465, 2529, 3825, 4215, 4437, 4777, 6525, 7025, 7395, 8149, 12325, 12645, 14331, 21075, 22185, 23885, 24447, 36975, 40745, 42993, 63225, 71655, 73341, 110925, 119425, 122235, 138533, 203725, 214965, 358275, 366705, 415599, 611175, 692665, 1074825, 1246797, 1833525, 2077995, 3463325, 6233985, 10389975, 31169925]

約数ペア:

[(1, 31169925), (3, 10389975), (5, 6233985), (9, 3463325), (15, 2077995), (17, 1833525), (25, 1246797), (29, 1074825), (45, 692665), (51, 611175), (75, 415599), (85, 366705), (87, 358275), (145, 214965), (153, 203725), (225, 138533), (255, 122235), (261, 119425), (281, 110925), (425, 73341), (435, 71655), (493, 63225), (725, 42993), (765, 40745), (843, 36975), (1275, 24447), (1305, 23885), (1405, 22185), (1479, 21075), (2175, 14331), (2465, 12645), (2529, 12325), (3825, 8149), (4215, 7395), (4437, 7025), (4777, 6525)]