39898125

素因数分解:

$3^2\times 5^4\times {\mathrm{41}}^1\times {\mathrm{173}}^1$

素因数の和:240

約数の個数: 60

約数和(自身を含む): 74198124

約数和(自身を除く): 34299999

約数列:

[1, 3, 5, 9, 15, 25, 41, 45, 75, 123, 125, 173, 205, 225, 369, 375, 519, 615, 625, 865, 1025, 1125, 1557, 1845, 1875, 2595, 3075, 4325, 5125, 5625, 7093, 7785, 9225, 12975, 15375, 21279, 21625, 25625, 35465, 38925, 46125, 63837, 64875, 76875, 106395, 108125, 177325, 194625, 230625, 319185, 324375, 531975, 886625, 973125, 1595925, 2659875, 4433125, 7979625, 13299375, 39898125]

約数ペア:

[(1, 39898125), (3, 13299375), (5, 7979625), (9, 4433125), (15, 2659875), (25, 1595925), (41, 973125), (45, 886625), (75, 531975), (123, 324375), (125, 319185), (173, 230625), (205, 194625), (225, 177325), (369, 108125), (375, 106395), (519, 76875), (615, 64875), (625, 63837), (865, 46125), (1025, 38925), (1125, 35465), (1557, 25625), (1845, 21625), (1875, 21279), (2595, 15375), (3075, 12975), (4325, 9225), (5125, 7785), (5625, 7093)]