31217357025

素因数分解:

$3^2\times 5^2\times {\mathrm{263}}^1\times {\mathrm{641}}^1\times {\mathrm{823}}^1$

素因数の和:1743

約数の個数: 72

約数和(自身を含む): 56282219136

約数和(自身を除く): 25064862111

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 263, 641, 789, 823, 1315, 1923, 2367, 2469, 3205, 3945, 4115, 5769, 6575, 7407, 9615, 11835, 12345, 16025, 19725, 20575, 28845, 37035, 48075, 59175, 61725, 144225, 168583, 185175, 216449, 505749, 527543, 649347, 842915, 1082245, 1517247, 1582629, 1948041, 2528745, 2637715, 3246735, 4214575, 4747887, 5411225, 7586235, 7913145, 9740205, 12643725, 13188575, 16233675, 23739435, 37931175, 39565725, 48701025, 118697175, 138743809, 416231427, 693719045, 1248694281, 2081157135, 3468595225, 6243471405, 10405785675, 31217357025]

約数ペア:

[(1, 31217357025), (3, 10405785675), (5, 6243471405), (9, 3468595225), (15, 2081157135), (25, 1248694281), (45, 693719045), (75, 416231427), (225, 138743809), (263, 118697175), (641, 48701025), (789, 39565725), (823, 37931175), (1315, 23739435), (1923, 16233675), (2367, 13188575), (2469, 12643725), (3205, 9740205), (3945, 7913145), (4115, 7586235), (5769, 5411225), (6575, 4747887), (7407, 4214575), (9615, 3246735), (11835, 2637715), (12345, 2528745), (16025, 1948041), (19725, 1582629), (20575, 1517247), (28845, 1082245), (37035, 842915), (48075, 649347), (59175, 527543), (61725, 505749), (144225, 216449), (168583, 185175)]