27961575

素因数分解:

$3^1\times 5^2\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:232

約数の個数: 48

約数和(自身を含む): 48211200

約数和(自身を除く): 20249625

約数列:

[1, 3, 5, 15, 25, 59, 71, 75, 89, 177, 213, 267, 295, 355, 445, 885, 1065, 1335, 1475, 1775, 2225, 4189, 4425, 5251, 5325, 6319, 6675, 12567, 15753, 18957, 20945, 26255, 31595, 62835, 78765, 94785, 104725, 131275, 157975, 314175, 372821, 393825, 473925, 1118463, 1864105, 5592315, 9320525, 27961575]

約数ペア:

[(1, 27961575), (3, 9320525), (5, 5592315), (15, 1864105), (25, 1118463), (59, 473925), (71, 393825), (75, 372821), (89, 314175), (177, 157975), (213, 131275), (267, 104725), (295, 94785), (355, 78765), (445, 62835), (885, 31595), (1065, 26255), (1335, 20945), (1475, 18957), (1775, 15753), (2225, 12567), (4189, 6675), (4425, 6319), (5251, 5325)]