31808470149

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{701}}^1\times {\mathrm{821}}^1$

素因数の和:1643

約数の個数: 64

約数和(自身を含む): 49856601600

約数和(自身を除く): 18048131451

約数列:

[1, 3, 9, 23, 27, 69, 89, 207, 267, 621, 701, 801, 821, 2047, 2103, 2403, 2463, 6141, 6309, 7389, 16123, 18423, 18883, 18927, 22167, 48369, 55269, 56649, 62389, 73069, 145107, 169947, 187167, 219207, 435321, 509841, 561501, 575521, 657621, 1434947, 1680587, 1684503, 1726563, 1972863, 4304841, 5041761, 5179689, 12914523, 13236983, 15125283, 15539067, 38743569, 39710949, 45375849, 51221369, 119132847, 153664107, 357398541, 460992321, 1178091487, 1382976963, 3534274461, 10602823383, 31808470149]

約数ペア:

[(1, 31808470149), (3, 10602823383), (9, 3534274461), (23, 1382976963), (27, 1178091487), (69, 460992321), (89, 357398541), (207, 153664107), (267, 119132847), (621, 51221369), (701, 45375849), (801, 39710949), (821, 38743569), (2047, 15539067), (2103, 15125283), (2403, 13236983), (2463, 12914523), (6141, 5179689), (6309, 5041761), (7389, 4304841), (16123, 1972863), (18423, 1726563), (18883, 1684503), (18927, 1680587), (22167, 1434947), (48369, 657621), (55269, 575521), (56649, 561501), (62389, 509841), (73069, 435321), (145107, 219207), (169947, 187167)]