81465863925

素因数分解:

$3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{3917}}^1\times {\mathrm{6449}}^1$

素因数の和:10422

約数の個数: 48

約数和(自身を含む): 137879121600

約数和(自身を除く): 56413257675

約数列:

[1, 3, 5, 15, 25, 43, 75, 129, 215, 645, 1075, 3225, 3917, 6449, 11751, 19347, 19585, 32245, 58755, 96735, 97925, 161225, 168431, 277307, 293775, 483675, 505293, 831921, 842155, 1386535, 2526465, 4159605, 4210775, 6932675, 12632325, 20798025, 25260733, 75782199, 126303665, 378910995, 631518325, 1086211519, 1894554975, 3258634557, 5431057595, 16293172785, 27155287975, 81465863925]

約数ペア:

[(1, 81465863925), (3, 27155287975), (5, 16293172785), (15, 5431057595), (25, 3258634557), (43, 1894554975), (75, 1086211519), (129, 631518325), (215, 378910995), (645, 126303665), (1075, 75782199), (3225, 25260733), (3917, 20798025), (6449, 12632325), (11751, 6932675), (19347, 4210775), (19585, 4159605), (32245, 2526465), (58755, 1386535), (96735, 842155), (97925, 831921), (161225, 505293), (168431, 483675), (277307, 293775)]