28027545

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{20533}}^1$

素因数の和:20561

約数の個数: 32

約数和(自身を含む): 55195392

約数和(自身を除く): 27167847

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 65, 91, 105, 195, 273, 455, 1365, 20533, 61599, 102665, 143731, 266929, 307995, 431193, 718655, 800787, 1334645, 1868503, 2155965, 4003935, 5605509, 9342515, 28027545]

約数ペア:

[(1, 28027545), (3, 9342515), (5, 5605509), (7, 4003935), (13, 2155965), (15, 1868503), (21, 1334645), (35, 800787), (39, 718655), (65, 431193), (91, 307995), (105, 266929), (195, 143731), (273, 102665), (455, 61599), (1365, 20533)]