28497609

素因数分解:

$3^3\times 7^1\times {\mathrm{131}}^1\times {\mathrm{1151}}^1$

素因数の和:1298

約数の個数: 32

約数和(自身を含む): 48660480

約数和(自身を除く): 20162871

約数列:

[1, 3, 7, 9, 21, 27, 63, 131, 189, 393, 917, 1151, 1179, 2751, 3453, 3537, 8057, 8253, 10359, 24171, 24759, 31077, 72513, 150781, 217539, 452343, 1055467, 1357029, 3166401, 4071087, 9499203, 28497609]

約数ペア:

[(1, 28497609), (3, 9499203), (7, 4071087), (9, 3166401), (21, 1357029), (27, 1055467), (63, 452343), (131, 217539), (189, 150781), (393, 72513), (917, 31077), (1151, 24759), (1179, 24171), (2751, 10359), (3453, 8253), (3537, 8057)]