27785961

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{167}}^1$

素因数の和:338

約数の個数: 48

約数和(自身を含む): 48921600

約数和(自身を除く): 21135639

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 139, 167, 171, 399, 417, 501, 973, 1169, 1197, 1251, 1503, 2641, 2919, 3173, 3507, 7923, 8757, 9519, 10521, 18487, 22211, 23213, 23769, 28557, 55461, 66633, 69639, 162491, 166383, 199899, 208917, 441047, 487473, 1323141, 1462419, 3087329, 3969423, 9261987, 27785961]

約数ペア:

[(1, 27785961), (3, 9261987), (7, 3969423), (9, 3087329), (19, 1462419), (21, 1323141), (57, 487473), (63, 441047), (133, 208917), (139, 199899), (167, 166383), (171, 162491), (399, 69639), (417, 66633), (501, 55461), (973, 28557), (1169, 23769), (1197, 23213), (1251, 22211), (1503, 18487), (2641, 10521), (2919, 9519), (3173, 8757), (3507, 7923)]