28553247

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{829}}^1$

素因数の和:967

約数の個数: 24

約数和(自身を含む): 42728400

約数和(自身を除く): 14175153

約数列:

[1, 3, 9, 43, 89, 129, 267, 387, 801, 829, 2487, 3827, 7461, 11481, 34443, 35647, 73781, 106941, 221343, 320823, 664029, 3172583, 9517749, 28553247]

約数ペア:

[(1, 28553247), (3, 9517749), (9, 3172583), (43, 664029), (89, 320823), (129, 221343), (267, 106941), (387, 73781), (801, 35647), (829, 34443), (2487, 11481), (3827, 7461)]