216505125

素因数分解:

$3^2\times 5^3\times {\mathrm{223}}^1\times {\mathrm{863}}^1$

素因数の和:1107

約数の個数: 48

約数和(自身を含む): 392491008

約数和(自身を除く): 175985883

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 125, 223, 225, 375, 669, 863, 1115, 1125, 2007, 2589, 3345, 4315, 5575, 7767, 10035, 12945, 16725, 21575, 27875, 38835, 50175, 64725, 83625, 107875, 192449, 194175, 250875, 323625, 577347, 962245, 970875, 1732041, 2886735, 4811225, 8660205, 14433675, 24056125, 43301025, 72168375, 216505125]

約数ペア:

[(1, 216505125), (3, 72168375), (5, 43301025), (9, 24056125), (15, 14433675), (25, 8660205), (45, 4811225), (75, 2886735), (125, 1732041), (223, 970875), (225, 962245), (375, 577347), (669, 323625), (863, 250875), (1115, 194175), (1125, 192449), (2007, 107875), (2589, 83625), (3345, 64725), (4315, 50175), (5575, 38835), (7767, 27875), (10035, 21575), (12945, 16725)]