91771225

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{107}}^1$

素因数の和:179

約数の個数: 72

約数和(自身を含む): 147044160

約数和(自身を除く): 55272935

約数列:

[1, 5, 7, 13, 25, 29, 35, 65, 91, 107, 145, 169, 175, 203, 325, 377, 455, 535, 725, 749, 845, 1015, 1183, 1391, 1885, 2275, 2639, 2675, 3103, 3745, 4225, 4901, 5075, 5915, 6955, 9425, 9737, 13195, 15515, 18083, 18725, 21721, 24505, 29575, 34307, 34775, 40339, 48685, 65975, 77575, 90415, 108605, 122525, 126581, 171535, 201695, 243425, 282373, 452075, 524407, 543025, 632905, 857675, 1008475, 1411865, 2622035, 3164525, 3670849, 7059325, 13110175, 18354245, 91771225]

約数ペア:

[(1, 91771225), (5, 18354245), (7, 13110175), (13, 7059325), (25, 3670849), (29, 3164525), (35, 2622035), (65, 1411865), (91, 1008475), (107, 857675), (145, 632905), (169, 543025), (175, 524407), (203, 452075), (325, 282373), (377, 243425), (455, 201695), (535, 171535), (725, 126581), (749, 122525), (845, 108605), (1015, 90415), (1183, 77575), (1391, 65975), (1885, 48685), (2275, 40339), (2639, 34775), (2675, 34307), (3103, 29575), (3745, 24505), (4225, 21721), (4901, 18725), (5075, 18083), (5915, 15515), (6955, 13195), (9425, 9737)]