219291105

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1\times {\mathrm{137}}^1$

素因数の和:354

約数の個数: 64

約数和(自身を含む): 393465600

約数和(自身を除く): 174174495

約数列:

[1, 3, 5, 11, 15, 33, 55, 89, 109, 137, 165, 267, 327, 411, 445, 545, 685, 979, 1199, 1335, 1507, 1635, 2055, 2937, 3597, 4521, 4895, 5995, 7535, 9701, 12193, 14685, 14933, 17985, 22605, 29103, 36579, 44799, 48505, 60965, 74665, 106711, 134123, 145515, 164263, 182895, 223995, 320133, 402369, 492789, 533555, 670615, 821315, 1329037, 1600665, 2011845, 2463945, 3987111, 6645185, 14619407, 19935555, 43858221, 73097035, 219291105]

約数ペア:

[(1, 219291105), (3, 73097035), (5, 43858221), (11, 19935555), (15, 14619407), (33, 6645185), (55, 3987111), (89, 2463945), (109, 2011845), (137, 1600665), (165, 1329037), (267, 821315), (327, 670615), (411, 533555), (445, 492789), (545, 402369), (685, 320133), (979, 223995), (1199, 182895), (1335, 164263), (1507, 145515), (1635, 134123), (2055, 106711), (2937, 74665), (3597, 60965), (4521, 48505), (4895, 44799), (5995, 36579), (7535, 29103), (9701, 22605), (12193, 17985), (14685, 14933)]