217812807

素因数分解:

$3^6\times {\mathrm{509}}^1\times {\mathrm{587}}^1$

素因数の和:1114

約数の個数: 28

約数和(自身を含む): 327768840

約数和(自身を除く): 109956033

約数列:

[1, 3, 9, 27, 81, 243, 509, 587, 729, 1527, 1761, 4581, 5283, 13743, 15849, 41229, 47547, 123687, 142641, 298783, 371061, 427923, 896349, 2689047, 8067141, 24201423, 72604269, 217812807]

約数ペア:

[(1, 217812807), (3, 72604269), (9, 24201423), (27, 8067141), (81, 2689047), (243, 896349), (509, 427923), (587, 371061), (729, 298783), (1527, 142641), (1761, 123687), (4581, 47547), (5283, 41229), (13743, 15849)]