80555985

素因数分解:

$3^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{13877}}^1$

素因数の和:13934

約数の個数: 32

約数和(自身を含む): 146551680

約数和(自身を除く): 65995695

約数列:

[1, 3, 5, 9, 15, 27, 43, 45, 129, 135, 215, 387, 645, 1161, 1935, 5805, 13877, 41631, 69385, 124893, 208155, 374679, 596711, 624465, 1790133, 1873395, 2983555, 5370399, 8950665, 16111197, 26851995, 80555985]

約数ペア:

[(1, 80555985), (3, 26851995), (5, 16111197), (9, 8950665), (15, 5370399), (27, 2983555), (43, 1873395), (45, 1790133), (129, 624465), (135, 596711), (215, 374679), (387, 208155), (645, 124893), (1161, 69385), (1935, 41631), (5805, 13877)]