265294305

素因数分解:

$3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{1987}}^1$

素因数の和:2067

約数の個数: 64

約数和(自身を含む): 503838720

約数和(自身を除く): 238544415

約数列:

[1, 3, 5, 9, 15, 23, 27, 43, 45, 69, 115, 129, 135, 207, 215, 345, 387, 621, 645, 989, 1035, 1161, 1935, 1987, 2967, 3105, 4945, 5805, 5961, 8901, 9935, 14835, 17883, 26703, 29805, 44505, 45701, 53649, 85441, 89415, 133515, 137103, 228505, 256323, 268245, 411309, 427205, 685515, 768969, 1233927, 1281615, 1965143, 2056545, 2306907, 3844845, 5895429, 6169635, 9825715, 11534535, 17686287, 29477145, 53058861, 88431435, 265294305]

約数ペア:

[(1, 265294305), (3, 88431435), (5, 53058861), (9, 29477145), (15, 17686287), (23, 11534535), (27, 9825715), (43, 6169635), (45, 5895429), (69, 3844845), (115, 2306907), (129, 2056545), (135, 1965143), (207, 1281615), (215, 1233927), (345, 768969), (387, 685515), (621, 427205), (645, 411309), (989, 268245), (1035, 256323), (1161, 228505), (1935, 137103), (1987, 133515), (2967, 89415), (3105, 85441), (4945, 53649), (5805, 45701), (5961, 44505), (8901, 29805), (9935, 26703), (14835, 17883)]