1221318

素因数分解:

$2^1\times 3^5\times 7^1\times {\mathrm{359}}^1$

素因数の和:383

約数の個数: 48

約数和(自身を含む): 3144960

約数和(自身を除く): 1923642

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 81, 126, 162, 189, 243, 359, 378, 486, 567, 718, 1077, 1134, 1701, 2154, 2513, 3231, 3402, 5026, 6462, 7539, 9693, 15078, 19386, 22617, 29079, 45234, 58158, 67851, 87237, 135702, 174474, 203553, 407106, 610659, 1221318]

約数ペア:

[(1, 1221318), (2, 610659), (3, 407106), (6, 203553), (7, 174474), (9, 135702), (14, 87237), (18, 67851), (21, 58158), (27, 45234), (42, 29079), (54, 22617), (63, 19386), (81, 15078), (126, 9693), (162, 7539), (189, 6462), (243, 5026), (359, 3402), (378, 3231), (486, 2513), (567, 2154), (718, 1701), (1077, 1134)]