81153255

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{2677}}^1$

素因数の和:2775

約数の個数: 32

約数和(自身を含む): 135742464

約数和(自身を除く): 54589209

約数列:

[1, 3, 5, 15, 43, 47, 129, 141, 215, 235, 645, 705, 2021, 2677, 6063, 8031, 10105, 13385, 30315, 40155, 115111, 125819, 345333, 377457, 575555, 629095, 1726665, 1887285, 5410217, 16230651, 27051085, 81153255]

約数ペア:

[(1, 81153255), (3, 27051085), (5, 16230651), (15, 5410217), (43, 1887285), (47, 1726665), (129, 629095), (141, 575555), (215, 377457), (235, 345333), (645, 125819), (705, 115111), (2021, 40155), (2677, 30315), (6063, 13385), (8031, 10105)]