201518955

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{1399}}^1$

素因数の和:1521

約数の個数: 64

約数和(自身を含む): 395136000

約数和(自身を除く): 193617045

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 97, 99, 135, 165, 291, 297, 485, 495, 873, 1067, 1399, 1455, 1485, 2619, 3201, 4197, 4365, 5335, 6995, 9603, 12591, 13095, 15389, 16005, 20985, 28809, 37773, 46167, 48015, 62955, 76945, 135703, 138501, 144045, 188865, 230835, 407109, 415503, 678515, 692505, 1221327, 1492733, 2035545, 2077515, 3663981, 4478199, 6106635, 7463665, 13434597, 18319905, 22390995, 40303791, 67172985, 201518955]

約数ペア:

[(1, 201518955), (3, 67172985), (5, 40303791), (9, 22390995), (11, 18319905), (15, 13434597), (27, 7463665), (33, 6106635), (45, 4478199), (55, 3663981), (97, 2077515), (99, 2035545), (135, 1492733), (165, 1221327), (291, 692505), (297, 678515), (485, 415503), (495, 407109), (873, 230835), (1067, 188865), (1399, 144045), (1455, 138501), (1485, 135703), (2619, 76945), (3201, 62955), (4197, 48015), (4365, 46167), (5335, 37773), (6995, 28809), (9603, 20985), (12591, 16005), (13095, 15389)]