28438557

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{607}}^1$

素因数の和:737

約数の個数: 32

約数和(自身を含む): 45760512

約数和(自身を除く): 17321955

約数列:

[1, 3, 7, 21, 23, 69, 97, 161, 291, 483, 607, 679, 1821, 2037, 2231, 4249, 6693, 12747, 13961, 15617, 41883, 46851, 58879, 97727, 176637, 293181, 412153, 1236459, 1354217, 4062651, 9479519, 28438557]

約数ペア:

[(1, 28438557), (3, 9479519), (7, 4062651), (21, 1354217), (23, 1236459), (69, 412153), (97, 293181), (161, 176637), (291, 97727), (483, 58879), (607, 46851), (679, 41883), (1821, 15617), (2037, 13961), (2231, 12747), (4249, 6693)]