428274

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1$

素因数の和:132

約数の個数: 64

約数和(自身を含む): 1198080

約数和(自身を除く): 769806

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 27, 33, 42, 54, 63, 66, 77, 99, 103, 126, 154, 189, 198, 206, 231, 297, 309, 378, 462, 594, 618, 693, 721, 927, 1133, 1386, 1442, 1854, 2079, 2163, 2266, 2781, 3399, 4158, 4326, 5562, 6489, 6798, 7931, 10197, 12978, 15862, 19467, 20394, 23793, 30591, 38934, 47586, 61182, 71379, 142758, 214137, 428274]

約数ペア:

[(1, 428274), (2, 214137), (3, 142758), (6, 71379), (7, 61182), (9, 47586), (11, 38934), (14, 30591), (18, 23793), (21, 20394), (22, 19467), (27, 15862), (33, 12978), (42, 10197), (54, 7931), (63, 6798), (66, 6489), (77, 5562), (99, 4326), (103, 4158), (126, 3399), (154, 2781), (189, 2266), (198, 2163), (206, 2079), (231, 1854), (297, 1442), (309, 1386), (378, 1133), (462, 927), (594, 721), (618, 693)]