31278330

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{227}}^1\times {\mathrm{1531}}^1$

素因数の和:1771

約数の個数: 48

約数和(自身を含む): 81735264

約数和(自身を除く): 50456934

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 227, 454, 681, 1135, 1362, 1531, 2043, 2270, 3062, 3405, 4086, 4593, 6810, 7655, 9186, 10215, 13779, 15310, 20430, 22965, 27558, 45930, 68895, 137790, 347537, 695074, 1042611, 1737685, 2085222, 3127833, 3475370, 5213055, 6255666, 10426110, 15639165, 31278330]

約数ペア:

[(1, 31278330), (2, 15639165), (3, 10426110), (5, 6255666), (6, 5213055), (9, 3475370), (10, 3127833), (15, 2085222), (18, 1737685), (30, 1042611), (45, 695074), (90, 347537), (227, 137790), (454, 68895), (681, 45930), (1135, 27558), (1362, 22965), (1531, 20430), (2043, 15310), (2270, 13779), (3062, 10215), (3405, 9186), (4086, 7655), (4593, 6810)]