31129725

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{389}}^1$

素因数の和:510

約数の個数: 48

約数和(自身を含む): 56871360

約数和(自身を除く): 25741635

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 97, 165, 275, 291, 389, 485, 825, 1067, 1167, 1455, 1945, 2425, 3201, 4279, 5335, 5835, 7275, 9725, 12837, 16005, 21395, 26675, 29175, 37733, 64185, 80025, 106975, 113199, 188665, 320925, 415063, 565995, 943325, 1245189, 2075315, 2829975, 6225945, 10376575, 31129725]

約数ペア:

[(1, 31129725), (3, 10376575), (5, 6225945), (11, 2829975), (15, 2075315), (25, 1245189), (33, 943325), (55, 565995), (75, 415063), (97, 320925), (165, 188665), (275, 113199), (291, 106975), (389, 80025), (485, 64185), (825, 37733), (1067, 29175), (1167, 26675), (1455, 21395), (1945, 16005), (2425, 12837), (3201, 9725), (4279, 7275), (5335, 5835)]