388584027

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{29921}}^1$

素因数の和:29980

約数の個数: 32

約数和(自身を含む): 636740160

約数和(自身を除く): 248156133

約数列:

[1, 3, 9, 13, 27, 37, 39, 111, 117, 333, 351, 481, 999, 1443, 4329, 12987, 29921, 89763, 269289, 388973, 807867, 1107077, 1166919, 3321231, 3500757, 9963693, 10502271, 14392001, 29891079, 43176003, 129528009, 388584027]

約数ペア:

[(1, 388584027), (3, 129528009), (9, 43176003), (13, 29891079), (27, 14392001), (37, 10502271), (39, 9963693), (111, 3500757), (117, 3321231), (333, 1166919), (351, 1107077), (481, 807867), (999, 388973), (1443, 269289), (4329, 89763), (12987, 29921)]