31436883

素因数分解:

$3^3\times {\mathrm{23}}^2\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:157

約数の個数: 48

約数和(自身を含む): 50964480

約数和(自身を除く): 19527597

約数列:

[1, 3, 9, 23, 27, 31, 69, 71, 93, 207, 213, 279, 529, 621, 639, 713, 837, 1587, 1633, 1917, 2139, 2201, 4761, 4899, 6417, 6603, 14283, 14697, 16399, 19251, 19809, 37559, 44091, 49197, 50623, 59427, 112677, 147591, 151869, 338031, 442773, 455607, 1014093, 1164329, 1366821, 3492987, 10478961, 31436883]

約数ペア:

[(1, 31436883), (3, 10478961), (9, 3492987), (23, 1366821), (27, 1164329), (31, 1014093), (69, 455607), (71, 442773), (93, 338031), (207, 151869), (213, 147591), (279, 112677), (529, 59427), (621, 50623), (639, 49197), (713, 44091), (837, 37559), (1587, 19809), (1633, 19251), (1917, 16399), (2139, 14697), (2201, 14283), (4761, 6603), (4899, 6417)]