1321775

素因数分解:

$5^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{83}}^1$

素因数の和:120

約数の個数: 36

約数和(自身を含む): 2077992

約数和(自身を除く): 756217

約数列:

[1, 5, 7, 13, 25, 35, 49, 65, 83, 91, 175, 245, 325, 415, 455, 581, 637, 1079, 1225, 2075, 2275, 2905, 3185, 4067, 5395, 7553, 14525, 15925, 20335, 26975, 37765, 52871, 101675, 188825, 264355, 1321775]

約数ペア:

[(1, 1321775), (5, 264355), (7, 188825), (13, 101675), (25, 52871), (35, 37765), (49, 26975), (65, 20335), (83, 15925), (91, 14525), (175, 7553), (245, 5395), (325, 4067), (415, 3185), (455, 2905), (581, 2275), (637, 2075), (1079, 1225)]