211554

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1$

素因数の和:111

約数の個数: 48

約数和(自身を含む): 554112

約数和(自身を除く): 342558

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 23, 42, 46, 63, 69, 73, 126, 138, 146, 161, 207, 219, 322, 414, 438, 483, 511, 657, 966, 1022, 1314, 1449, 1533, 1679, 2898, 3066, 3358, 4599, 5037, 9198, 10074, 11753, 15111, 23506, 30222, 35259, 70518, 105777, 211554]

約数ペア:

[(1, 211554), (2, 105777), (3, 70518), (6, 35259), (7, 30222), (9, 23506), (14, 15111), (18, 11753), (21, 10074), (23, 9198), (42, 5037), (46, 4599), (63, 3358), (69, 3066), (73, 2898), (126, 1679), (138, 1533), (146, 1449), (161, 1314), (207, 1022), (219, 966), (322, 657), (414, 511), (438, 483)]