27521151

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{313}}^1$

素因数の和:455

約数の個数: 32

約数和(自身を含む): 43407360

約数和(自身を除く): 15886209

約数列:

[1, 3, 7, 21, 53, 79, 159, 237, 313, 371, 553, 939, 1113, 1659, 2191, 4187, 6573, 12561, 16589, 24727, 29309, 49767, 74181, 87927, 116123, 173089, 348369, 519267, 1310531, 3931593, 9173717, 27521151]

約数ペア:

[(1, 27521151), (3, 9173717), (7, 3931593), (21, 1310531), (53, 519267), (79, 348369), (159, 173089), (237, 116123), (313, 87927), (371, 74181), (553, 49767), (939, 29309), (1113, 24727), (1659, 16589), (2191, 12561), (4187, 6573)]