28232289

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{2153}}^1$

素因数の和:2237

約数の個数: 24

約数和(自身を含む): 43011072

約数和(自身を除く): 14778783

約数列:

[1, 3, 9, 31, 47, 93, 141, 279, 423, 1457, 2153, 4371, 6459, 13113, 19377, 66743, 101191, 200229, 303573, 600687, 910719, 3136921, 9410763, 28232289]

約数ペア:

[(1, 28232289), (3, 9410763), (9, 3136921), (31, 910719), (47, 600687), (93, 303573), (141, 200229), (279, 101191), (423, 66743), (1457, 19377), (2153, 13113), (4371, 6459)]