19683875

素因数分解:

$5^3\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{157}}^1$

素因数の和:248

約数の個数: 32

約数和(自身を含む): 26619840

約数和(自身を除く): 6935965

約数列:

[1, 5, 17, 25, 59, 85, 125, 157, 295, 425, 785, 1003, 1475, 2125, 2669, 3925, 5015, 7375, 9263, 13345, 19625, 25075, 46315, 66725, 125375, 157471, 231575, 333625, 787355, 1157875, 3936775, 19683875]

約数ペア:

[(1, 19683875), (5, 3936775), (17, 1157875), (25, 787355), (59, 333625), (85, 231575), (125, 157471), (157, 125375), (295, 66725), (425, 46315), (785, 25075), (1003, 19625), (1475, 13345), (2125, 9263), (2669, 7375), (3925, 5015)]