81426465

素因数分解:

$3^4\times 5^1\times {\mathrm{107}}^1\times {\mathrm{1879}}^1$

素因数の和:2003

約数の個数: 40

約数和(自身を含む): 147407040

約数和(自身を除く): 65980575

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 107, 135, 321, 405, 535, 963, 1605, 1879, 2889, 4815, 5637, 8667, 9395, 14445, 16911, 28185, 43335, 50733, 84555, 152199, 201053, 253665, 603159, 760995, 1005265, 1809477, 3015795, 5428431, 9047385, 16285293, 27142155, 81426465]

約数ペア:

[(1, 81426465), (3, 27142155), (5, 16285293), (9, 9047385), (15, 5428431), (27, 3015795), (45, 1809477), (81, 1005265), (107, 760995), (135, 603159), (321, 253665), (405, 201053), (535, 152199), (963, 84555), (1605, 50733), (1879, 43335), (2889, 28185), (4815, 16911), (5637, 14445), (8667, 9395)]