15205875

素因数分解:

$3^1\times 5^3\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1$

素因数の和:125

約数の個数: 64

約数和(自身を含む): 27675648

約数和(自身を除く): 12469773

約数列:

[1, 3, 5, 15, 23, 25, 41, 43, 69, 75, 115, 123, 125, 129, 205, 215, 345, 375, 575, 615, 645, 943, 989, 1025, 1075, 1725, 1763, 2829, 2875, 2967, 3075, 3225, 4715, 4945, 5125, 5289, 5375, 8625, 8815, 14145, 14835, 15375, 16125, 23575, 24725, 26445, 40549, 44075, 70725, 74175, 117875, 121647, 123625, 132225, 202745, 220375, 353625, 370875, 608235, 661125, 1013725, 3041175, 5068625, 15205875]

約数ペア:

[(1, 15205875), (3, 5068625), (5, 3041175), (15, 1013725), (23, 661125), (25, 608235), (41, 370875), (43, 353625), (69, 220375), (75, 202745), (115, 132225), (123, 123625), (125, 121647), (129, 117875), (205, 74175), (215, 70725), (345, 44075), (375, 40549), (575, 26445), (615, 24725), (645, 23575), (943, 16125), (989, 15375), (1025, 14835), (1075, 14145), (1725, 8815), (1763, 8625), (2829, 5375), (2875, 5289), (2967, 5125), (3075, 4945), (3225, 4715)]