208073601

素因数分解:

$3^2\times {\mathrm{53}}^1\times {\mathrm{509}}^1\times {\mathrm{857}}^1$

素因数の和:1425

約数の個数: 24

約数和(自身を含む): 307181160

約数和(自身を除く): 99107559

約数列:

[1, 3, 9, 53, 159, 477, 509, 857, 1527, 2571, 4581, 7713, 26977, 45421, 80931, 136263, 242793, 408789, 436213, 1308639, 3925917, 23119289, 69357867, 208073601]

約数ペア:

[(1, 208073601), (3, 69357867), (9, 23119289), (53, 3925917), (159, 1308639), (477, 436213), (509, 408789), (857, 242793), (1527, 136263), (2571, 80931), (4581, 45421), (7713, 26977)]