217757175

素因数分解:

$3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{1283}}^1$

素因数の和:1400

約数の個数: 48

約数和(自身を含む): 377023488

約数和(自身を除く): 159266313

約数列:

[1, 3, 5, 15, 25, 31, 73, 75, 93, 155, 219, 365, 465, 775, 1095, 1283, 1825, 2263, 2325, 3849, 5475, 6415, 6789, 11315, 19245, 32075, 33945, 39773, 56575, 93659, 96225, 119319, 169725, 198865, 280977, 468295, 596595, 994325, 1404885, 2341475, 2903429, 2982975, 7024425, 8710287, 14517145, 43551435, 72585725, 217757175]

約数ペア:

[(1, 217757175), (3, 72585725), (5, 43551435), (15, 14517145), (25, 8710287), (31, 7024425), (73, 2982975), (75, 2903429), (93, 2341475), (155, 1404885), (219, 994325), (365, 596595), (465, 468295), (775, 280977), (1095, 198865), (1283, 169725), (1825, 119319), (2263, 96225), (2325, 93659), (3849, 56575), (5475, 39773), (6415, 33945), (6789, 32075), (11315, 19245)]