191569917

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{113}}^1\times {\mathrm{179}}^1$

素因数の和:354

約数の個数: 64

約数和(自身を含む): 330946560

約数和(自身を除く): 139376643

約数列:

[1, 3, 7, 11, 21, 33, 41, 77, 113, 123, 179, 231, 287, 339, 451, 537, 791, 861, 1243, 1253, 1353, 1969, 2373, 3157, 3729, 3759, 4633, 5907, 7339, 8701, 9471, 13783, 13899, 20227, 22017, 26103, 32431, 41349, 50963, 51373, 60681, 80729, 97293, 141589, 152889, 154119, 222497, 242187, 356741, 424767, 565103, 667491, 829307, 1070223, 1557479, 1695309, 2487921, 4672437, 5805149, 9122377, 17415447, 27367131, 63856639, 191569917]

約数ペア:

[(1, 191569917), (3, 63856639), (7, 27367131), (11, 17415447), (21, 9122377), (33, 5805149), (41, 4672437), (77, 2487921), (113, 1695309), (123, 1557479), (179, 1070223), (231, 829307), (287, 667491), (339, 565103), (451, 424767), (537, 356741), (791, 242187), (861, 222497), (1243, 154119), (1253, 152889), (1353, 141589), (1969, 97293), (2373, 80729), (3157, 60681), (3729, 51373), (3759, 50963), (4633, 41349), (5907, 32431), (7339, 26103), (8701, 22017), (9471, 20227), (13783, 13899)]