83128575

素因数分解:

$3^1\times 5^2\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{233}}^1$

素因数の和:384

約数の個数: 48

約数和(自身を含む): 142062336

約数和(自身を除く): 58933761

約数列:

[1, 3, 5, 15, 25, 67, 71, 75, 201, 213, 233, 335, 355, 699, 1005, 1065, 1165, 1675, 1775, 3495, 4757, 5025, 5325, 5825, 14271, 15611, 16543, 17475, 23785, 46833, 49629, 71355, 78055, 82715, 118925, 234165, 248145, 356775, 390275, 413575, 1108381, 1170825, 1240725, 3325143, 5541905, 16625715, 27709525, 83128575]

約数ペア:

[(1, 83128575), (3, 27709525), (5, 16625715), (15, 5541905), (25, 3325143), (67, 1240725), (71, 1170825), (75, 1108381), (201, 413575), (213, 390275), (233, 356775), (335, 248145), (355, 234165), (699, 118925), (1005, 82715), (1065, 78055), (1165, 71355), (1675, 49629), (1775, 46833), (3495, 23785), (4757, 17475), (5025, 16543), (5325, 15611), (5825, 14271)]