217839225

素因数分解:

$3^1\times 5^2\times {\mathrm{109}}^1\times {\mathrm{26647}}^1$

素因数の和:26769

約数の個数: 24

約数和(自身を含む): 363478720

約数和(自身を除く): 145639495

約数列:

[1, 3, 5, 15, 25, 75, 109, 327, 545, 1635, 2725, 8175, 26647, 79941, 133235, 399705, 666175, 1998525, 2904523, 8713569, 14522615, 43567845, 72613075, 217839225]

約数ペア:

[(1, 217839225), (3, 72613075), (5, 43567845), (15, 14522615), (25, 8713569), (75, 2904523), (109, 1998525), (327, 666175), (545, 399705), (1635, 133235), (2725, 79941), (8175, 26647)]