221886

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{587}}^1$

素因数の和:605

約数の個数: 32

約数和(自身を含む): 564480

約数和(自身を除く): 342594

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 587, 1174, 1761, 3522, 4109, 5283, 8218, 10566, 12327, 15849, 24654, 31698, 36981, 73962, 110943, 221886]

約数ペア:

[(1, 221886), (2, 110943), (3, 73962), (6, 36981), (7, 31698), (9, 24654), (14, 15849), (18, 12327), (21, 10566), (27, 8218), (42, 5283), (54, 4109), (63, 3522), (126, 1761), (189, 1174), (378, 587)]