251215821

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{17093}}^1$

素因数の和:17193

約数の個数: 24

約数和(自身を含む): 383999616

約数和(自身を除く): 132783795

約数列:

[1, 3, 9, 23, 69, 71, 207, 213, 639, 1633, 4899, 14697, 17093, 51279, 153837, 393139, 1179417, 1213603, 3538251, 3640809, 10922427, 27912869, 83738607, 251215821]

約数ペア:

[(1, 251215821), (3, 83738607), (9, 27912869), (23, 10922427), (69, 3640809), (71, 3538251), (207, 1213603), (213, 1179417), (639, 393139), (1633, 153837), (4899, 51279), (14697, 17093)]