1218231

素因数分解:

$3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{317}}^1$

素因数の和:391

約数の個数: 24

約数和(自身を含む): 2050464

約数和(自身を除く): 832233

約数列:

[1, 3, 7, 9, 21, 61, 63, 183, 317, 427, 549, 951, 1281, 2219, 2853, 3843, 6657, 19337, 19971, 58011, 135359, 174033, 406077, 1218231]

約数ペア:

[(1, 1218231), (3, 406077), (7, 174033), (9, 135359), (21, 58011), (61, 19971), (63, 19337), (183, 6657), (317, 3843), (427, 2853), (549, 2219), (951, 1281)]