51861978

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{137201}}^1$

素因数の和:137219

約数の個数: 32

約数和(自身を含む): 131713920

約数和(自身を除く): 79851942

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 137201, 274402, 411603, 823206, 960407, 1234809, 1920814, 2469618, 2881221, 3704427, 5762442, 7408854, 8643663, 17287326, 25930989, 51861978]

約数ペア:

[(1, 51861978), (2, 25930989), (3, 17287326), (6, 8643663), (7, 7408854), (9, 5762442), (14, 3704427), (18, 2881221), (21, 2469618), (27, 1920814), (42, 1234809), (54, 960407), (63, 823206), (126, 411603), (189, 274402), (378, 137201)]