81781182

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{311}}^1\times {\mathrm{2087}}^1$

素因数の和:2413

約数の個数: 48

約数和(自身を含む): 203254272

約数和(自身を除く): 121473090

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 311, 622, 933, 1866, 2087, 2177, 2799, 4174, 4354, 5598, 6261, 6531, 12522, 13062, 14609, 18783, 19593, 29218, 37566, 39186, 43827, 87654, 131481, 262962, 649057, 1298114, 1947171, 3894342, 4543399, 5841513, 9086798, 11683026, 13630197, 27260394, 40890591, 81781182]

約数ペア:

[(1, 81781182), (2, 40890591), (3, 27260394), (6, 13630197), (7, 11683026), (9, 9086798), (14, 5841513), (18, 4543399), (21, 3894342), (42, 1947171), (63, 1298114), (126, 649057), (311, 262962), (622, 131481), (933, 87654), (1866, 43827), (2087, 39186), (2177, 37566), (2799, 29218), (4174, 19593), (4354, 18783), (5598, 14609), (6261, 13062), (6531, 12522)]