311917749

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{3203}}^1$

素因数の和:3457

約数の個数: 32

約数和(自身を含む): 490904064

約数和(自身を除く): 178986315

約数列:

[1, 3, 11, 13, 33, 39, 143, 227, 429, 681, 2497, 2951, 3203, 7491, 8853, 9609, 32461, 35233, 41639, 97383, 105699, 124917, 458029, 727081, 1374087, 2181243, 7997891, 9452053, 23993673, 28356159, 103972583, 311917749]

約数ペア:

[(1, 311917749), (3, 103972583), (11, 28356159), (13, 23993673), (33, 9452053), (39, 7997891), (143, 2181243), (227, 1374087), (429, 727081), (681, 458029), (2497, 124917), (2951, 105699), (3203, 97383), (7491, 41639), (8853, 35233), (9609, 32461)]