128972493

素因数分解:

$3^6\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{439}}^1$

素因数の和:501

約数の個数: 56

約数和(自身を含む): 215452160

約数和(自身を除く): 86479667

約数列:

[1, 3, 9, 13, 27, 31, 39, 81, 93, 117, 243, 279, 351, 403, 439, 729, 837, 1053, 1209, 1317, 2511, 3159, 3627, 3951, 5707, 7533, 9477, 10881, 11853, 13609, 17121, 22599, 32643, 35559, 40827, 51363, 97929, 106677, 122481, 154089, 176917, 293787, 320031, 367443, 462267, 530751, 1102329, 1386801, 1592253, 3306987, 4160403, 4776759, 9920961, 14330277, 42990831, 128972493]

約数ペア:

[(1, 128972493), (3, 42990831), (9, 14330277), (13, 9920961), (27, 4776759), (31, 4160403), (39, 3306987), (81, 1592253), (93, 1386801), (117, 1102329), (243, 530751), (279, 462267), (351, 367443), (403, 320031), (439, 293787), (729, 176917), (837, 154089), (1053, 122481), (1209, 106677), (1317, 97929), (2511, 51363), (3159, 40827), (3627, 35559), (3951, 32643), (5707, 22599), (7533, 17121), (9477, 13609), (10881, 11853)]