421428423

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{3181}}^1$

素因数の和:3319

約数の個数: 32

約数和(自身を含む): 627235840

約数和(自身を除く): 205807417

約数列:

[1, 3, 13, 39, 43, 79, 129, 237, 559, 1027, 1677, 3081, 3181, 3397, 9543, 10191, 41353, 44161, 124059, 132483, 136783, 251299, 410349, 753897, 1778179, 3266887, 5334537, 9800661, 10805857, 32417571, 140476141, 421428423]

約数ペア:

[(1, 421428423), (3, 140476141), (13, 32417571), (39, 10805857), (43, 9800661), (79, 5334537), (129, 3266887), (237, 1778179), (559, 753897), (1027, 410349), (1677, 251299), (3081, 136783), (3181, 132483), (3397, 124059), (9543, 44161), (10191, 41353)]