208051275

素因数分解:

$3^1\times 5^2\times {\mathrm{211}}^1\times {\mathrm{13147}}^1$

素因数の和:13371

約数の個数: 24

約数和(自身を含む): 345634624

約数和(自身を除く): 137583349

約数列:

[1, 3, 5, 15, 25, 75, 211, 633, 1055, 3165, 5275, 13147, 15825, 39441, 65735, 197205, 328675, 986025, 2774017, 8322051, 13870085, 41610255, 69350425, 208051275]

約数ペア:

[(1, 208051275), (3, 69350425), (5, 41610255), (15, 13870085), (25, 8322051), (75, 2774017), (211, 986025), (633, 328675), (1055, 197205), (3165, 65735), (5275, 39441), (13147, 15825)]