31902813

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{3943}}^1$

素因数の和:4009

約数の個数: 24

約数和(自身を含む): 49221120

約数和(自身を除く): 17318307

約数列:

[1, 3, 9, 29, 31, 87, 93, 261, 279, 899, 2697, 3943, 8091, 11829, 35487, 114347, 122233, 343041, 366699, 1029123, 1100097, 3544757, 10634271, 31902813]

約数ペア:

[(1, 31902813), (3, 10634271), (9, 3544757), (29, 1100097), (31, 1029123), (87, 366699), (93, 343041), (261, 122233), (279, 114347), (899, 35487), (2697, 11829), (3943, 8091)]