2016720855

素因数分解:

$3^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{347411}}^1$

素因数の和:347468

約数の個数: 32

約数和(自身を含む): 3668670720

約数和(自身を除く): 1651949865

約数列:

[1, 3, 5, 9, 15, 27, 43, 45, 129, 135, 215, 387, 645, 1161, 1935, 5805, 347411, 1042233, 1737055, 3126699, 5211165, 9380097, 14938673, 15633495, 44816019, 46900485, 74693365, 134448057, 224080095, 403344171, 672240285, 2016720855]

約数ペア:

[(1, 2016720855), (3, 672240285), (5, 403344171), (9, 224080095), (15, 134448057), (27, 74693365), (43, 46900485), (45, 44816019), (129, 15633495), (135, 14938673), (215, 9380097), (387, 5211165), (645, 3126699), (1161, 1737055), (1935, 1042233), (5805, 347411)]