49541409

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{101}}^1\times {\mathrm{491}}^1$

素因数の和:638

約数の個数: 32

約数和(自身を含む): 76279680

約数和(自身を除く): 26738271

約数列:

[1, 3, 9, 27, 37, 101, 111, 303, 333, 491, 909, 999, 1473, 2727, 3737, 4419, 11211, 13257, 18167, 33633, 49591, 54501, 100899, 148773, 163503, 446319, 490509, 1338957, 1834867, 5504601, 16513803, 49541409]

約数ペア:

[(1, 49541409), (3, 16513803), (9, 5504601), (27, 1834867), (37, 1338957), (101, 490509), (111, 446319), (303, 163503), (333, 148773), (491, 100899), (909, 54501), (999, 49591), (1473, 33633), (2727, 18167), (3737, 13257), (4419, 11211)]