16780875

素因数分解:

$3^1\times 5^3\times {\mathrm{73}}^1\times {\mathrm{613}}^1$

素因数の和:704

約数の個数: 32

約数和(自身を含む): 28352064

約数和(自身を除く): 11571189

約数列:

[1, 3, 5, 15, 25, 73, 75, 125, 219, 365, 375, 613, 1095, 1825, 1839, 3065, 5475, 9125, 9195, 15325, 27375, 44749, 45975, 76625, 134247, 223745, 229875, 671235, 1118725, 3356175, 5593625, 16780875]

約数ペア:

[(1, 16780875), (3, 5593625), (5, 3356175), (15, 1118725), (25, 671235), (73, 229875), (75, 223745), (125, 134247), (219, 76625), (365, 45975), (375, 44749), (613, 27375), (1095, 15325), (1825, 9195), (1839, 9125), (3065, 5475)]