54561975

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{523}}^1$

素因数の和:656

約数の個数: 48

約数和(自身を含む): 98243712

約数和(自身を除く): 43681737

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 107, 195, 321, 325, 523, 535, 975, 1391, 1569, 1605, 2615, 2675, 4173, 6799, 6955, 7845, 8025, 13075, 20397, 20865, 33995, 34775, 39225, 55961, 101985, 104325, 167883, 169975, 279805, 509925, 727493, 839415, 1399025, 2182479, 3637465, 4197075, 10912395, 18187325, 54561975]

約数ペア:

[(1, 54561975), (3, 18187325), (5, 10912395), (13, 4197075), (15, 3637465), (25, 2182479), (39, 1399025), (65, 839415), (75, 727493), (107, 509925), (195, 279805), (321, 169975), (325, 167883), (523, 104325), (535, 101985), (975, 55961), (1391, 39225), (1569, 34775), (1605, 33995), (2615, 20865), (2675, 20397), (4173, 13075), (6799, 8025), (6955, 7845)]