1221231

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1609}}^1$

素因数の和:1646

約数の個数: 16

約数和(自身を含む): 1854720

約数和(自身を除く): 633489

約数列:

[1, 3, 11, 23, 33, 69, 253, 759, 1609, 4827, 17699, 37007, 53097, 111021, 407077, 1221231]

約数ペア:

[(1, 1221231), (3, 407077), (11, 111021), (23, 53097), (33, 37007), (69, 17699), (253, 4827), (759, 1609)]