208197819

素因数分解:

$3^2\times {\mathrm{61}}^1\times {\mathrm{601}}^1\times {\mathrm{631}}^1$

素因数の和:1299

約数の個数: 24

約数和(自身を含む): 306653984

約数和(自身を除く): 98456165

約数列:

[1, 3, 9, 61, 183, 549, 601, 631, 1803, 1893, 5409, 5679, 36661, 38491, 109983, 115473, 329949, 346419, 379231, 1137693, 3413079, 23133091, 69399273, 208197819]

約数ペア:

[(1, 208197819), (3, 69399273), (9, 23133091), (61, 3413079), (183, 1137693), (549, 379231), (601, 346419), (631, 329949), (1803, 115473), (1893, 109983), (5409, 38491), (5679, 36661)]