72942225

素因数分解:

$3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{229}}^1$

素因数の和:410

約数の個数: 48

約数和(自身を含む): 125944320

約数和(自身を除く): 53002095

約数列:

[1, 3, 5, 15, 25, 31, 75, 93, 137, 155, 229, 411, 465, 685, 687, 775, 1145, 2055, 2325, 3425, 3435, 4247, 5725, 7099, 10275, 12741, 17175, 21235, 21297, 31373, 35495, 63705, 94119, 106175, 106485, 156865, 177475, 318525, 470595, 532425, 784325, 972563, 2352975, 2917689, 4862815, 14588445, 24314075, 72942225]

約数ペア:

[(1, 72942225), (3, 24314075), (5, 14588445), (15, 4862815), (25, 2917689), (31, 2352975), (75, 972563), (93, 784325), (137, 532425), (155, 470595), (229, 318525), (411, 177475), (465, 156865), (685, 106485), (687, 106175), (775, 94119), (1145, 63705), (2055, 35495), (2325, 31373), (3425, 21297), (3435, 21235), (4247, 17175), (5725, 12741), (7099, 10275)]