28648893

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{6173}}^1$

素因数の和:6213

約数の個数: 32

約数和(自身を含む): 49787136

約数和(自身を除く): 21138243

約数列:

[1, 3, 7, 13, 17, 21, 39, 51, 91, 119, 221, 273, 357, 663, 1547, 4641, 6173, 18519, 43211, 80249, 104941, 129633, 240747, 314823, 561743, 734587, 1364233, 1685229, 2203761, 4092699, 9549631, 28648893]

約数ペア:

[(1, 28648893), (3, 9549631), (7, 4092699), (13, 2203761), (17, 1685229), (21, 1364233), (39, 734587), (51, 561743), (91, 314823), (119, 240747), (221, 129633), (273, 104941), (357, 80249), (663, 43211), (1547, 18519), (4641, 6173)]