42165921

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{487}}^1$

素因数の和:554

約数の個数: 48

約数和(自身を含む): 71208960

約数和(自身を除く): 29043039

約数列:

[1, 3, 7, 19, 21, 31, 49, 57, 93, 133, 147, 217, 399, 487, 589, 651, 931, 1461, 1519, 1767, 2793, 3409, 4123, 4557, 9253, 10227, 12369, 15097, 23863, 27759, 28861, 45291, 64771, 71589, 86583, 105679, 194313, 286843, 317037, 453397, 739753, 860529, 1360191, 2007901, 2219259, 6023703, 14055307, 42165921]

約数ペア:

[(1, 42165921), (3, 14055307), (7, 6023703), (19, 2219259), (21, 2007901), (31, 1360191), (49, 860529), (57, 739753), (93, 453397), (133, 317037), (147, 286843), (217, 194313), (399, 105679), (487, 86583), (589, 71589), (651, 64771), (931, 45291), (1461, 28861), (1519, 27759), (1767, 23863), (2793, 15097), (3409, 12369), (4123, 10227), (4557, 9253)]