209218851

素因数分解:

$3^2\times {\mathrm{109}}^1\times {\mathrm{419}}^1\times {\mathrm{509}}^1$

素因数の和:1043

約数の個数: 24

約数和(自身を含む): 306306000

約数和(自身を除く): 97087149

約数列:

[1, 3, 9, 109, 327, 419, 509, 981, 1257, 1527, 3771, 4581, 45671, 55481, 137013, 166443, 213271, 411039, 499329, 639813, 1919439, 23246539, 69739617, 209218851]

約数ペア:

[(1, 209218851), (3, 69739617), (9, 23246539), (109, 1919439), (327, 639813), (419, 499329), (509, 411039), (981, 213271), (1257, 166443), (1527, 137013), (3771, 55481), (4581, 45671)]