72128715

素因数分解:

$3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1\times {\mathrm{557}}^1$

素因数の和:751

約数の個数: 32

約数和(自身を含む): 118117440

約数和(自身を除く): 45988725

約数列:

[1, 3, 5, 15, 89, 97, 267, 291, 445, 485, 557, 1335, 1455, 1671, 2785, 8355, 8633, 25899, 43165, 49573, 54029, 129495, 148719, 162087, 247865, 270145, 743595, 810435, 4808581, 14425743, 24042905, 72128715]

約数ペア:

[(1, 72128715), (3, 24042905), (5, 14425743), (15, 4808581), (89, 810435), (97, 743595), (267, 270145), (291, 247865), (445, 162087), (485, 148719), (557, 129495), (1335, 54029), (1455, 49573), (1671, 43165), (2785, 25899), (8355, 8633)]