215689635

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{76081}}^1$

素因数の和:76105

約数の個数: 40

約数和(自身を含む): 441884256

約数和(自身を除く): 226194621

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 81, 105, 135, 189, 315, 405, 567, 945, 2835, 76081, 228243, 380405, 532567, 684729, 1141215, 1597701, 2054187, 2662835, 3423645, 4793103, 6162561, 7988505, 10270935, 14379309, 23965515, 30812805, 43137927, 71896545, 215689635]

約数ペア:

[(1, 215689635), (3, 71896545), (5, 43137927), (7, 30812805), (9, 23965515), (15, 14379309), (21, 10270935), (27, 7988505), (35, 6162561), (45, 4793103), (63, 3423645), (81, 2662835), (105, 2054187), (135, 1597701), (189, 1141215), (315, 684729), (405, 532567), (567, 380405), (945, 228243), (2835, 76081)]