208904865

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{10607}}^1$

素因数の和:10729

約数の個数: 32

約数和(自身を含む): 363557376

約数和(自身を除く): 154652511

約数列:

[1, 3, 5, 13, 15, 39, 65, 101, 195, 303, 505, 1313, 1515, 3939, 6565, 10607, 19695, 31821, 53035, 137891, 159105, 413673, 689455, 1071307, 2068365, 3213921, 5356535, 13926991, 16069605, 41780973, 69634955, 208904865]

約数ペア:

[(1, 208904865), (3, 69634955), (5, 41780973), (13, 16069605), (15, 13926991), (39, 5356535), (65, 3213921), (101, 2068365), (195, 1071307), (303, 689455), (505, 413673), (1313, 159105), (1515, 137891), (3939, 53035), (6565, 31821), (10607, 19695)]