7212225

素因数分解:

$3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1$

素因数の和:186

約数の個数: 48

約数和(自身を含む): 12892032

約数和(自身を除く): 5679807

約数列:

[1, 3, 5, 15, 23, 25, 37, 69, 75, 111, 113, 115, 185, 339, 345, 555, 565, 575, 851, 925, 1695, 1725, 2553, 2599, 2775, 2825, 4181, 4255, 7797, 8475, 12543, 12765, 12995, 20905, 21275, 38985, 62715, 63825, 64975, 96163, 104525, 194925, 288489, 313575, 480815, 1442445, 2404075, 7212225]

約数ペア:

[(1, 7212225), (3, 2404075), (5, 1442445), (15, 480815), (23, 313575), (25, 288489), (37, 194925), (69, 104525), (75, 96163), (111, 64975), (113, 63825), (115, 62715), (185, 38985), (339, 21275), (345, 20905), (555, 12995), (565, 12765), (575, 12543), (851, 8475), (925, 7797), (1695, 4255), (1725, 4181), (2553, 2825), (2599, 2775)]