40742289

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{337}}^1$

素因数の和:470

約数の個数: 48

約数和(自身を含む): 71710080

約数和(自身を除く): 30967791

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 101, 133, 171, 303, 337, 399, 707, 909, 1011, 1197, 1919, 2121, 2359, 3033, 5757, 6363, 6403, 7077, 13433, 17271, 19209, 21231, 34037, 40299, 44821, 57627, 102111, 120897, 134463, 238259, 306333, 403389, 646703, 714777, 1940109, 2144331, 4526921, 5820327, 13580763, 40742289]

約数ペア:

[(1, 40742289), (3, 13580763), (7, 5820327), (9, 4526921), (19, 2144331), (21, 1940109), (57, 714777), (63, 646703), (101, 403389), (133, 306333), (171, 238259), (303, 134463), (337, 120897), (399, 102111), (707, 57627), (909, 44821), (1011, 40299), (1197, 34037), (1919, 21231), (2121, 19209), (2359, 17271), (3033, 13433), (5757, 7077), (6363, 6403)]