1321125

素因数分解:

$3^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{271}}^1$

素因数の和:302

約数の個数: 32

約数和(自身を含む): 2376192

約数和(自身を除く): 1055067

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 125, 195, 271, 325, 375, 813, 975, 1355, 1625, 3523, 4065, 4875, 6775, 10569, 17615, 20325, 33875, 52845, 88075, 101625, 264225, 440375, 1321125]

約数ペア:

[(1, 1321125), (3, 440375), (5, 264225), (13, 101625), (15, 88075), (25, 52845), (39, 33875), (65, 20325), (75, 17615), (125, 10569), (195, 6775), (271, 4875), (325, 4065), (375, 3523), (813, 1625), (975, 1355)]