19971099

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{1523}}^1$

素因数の和:1607

約数の個数: 24

約数和(自身を含む): 30431232

約数和(自身を除く): 10460133

約数列:

[1, 3, 9, 31, 47, 93, 141, 279, 423, 1457, 1523, 4371, 4569, 13113, 13707, 47213, 71581, 141639, 214743, 424917, 644229, 2219011, 6657033, 19971099]

約数ペア:

[(1, 19971099), (3, 6657033), (9, 2219011), (31, 644229), (47, 424917), (93, 214743), (141, 141639), (279, 71581), (423, 47213), (1457, 13707), (1523, 13113), (4371, 4569)]