187811985

素因数分解:

$3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1\times {\mathrm{2473}}^1$

素因数の和:2625

約数の個数: 32

約数和(自身を含む): 309230208

約数和(自身を除く): 121418223

約数列:

[1, 3, 5, 15, 61, 83, 183, 249, 305, 415, 915, 1245, 2473, 5063, 7419, 12365, 15189, 25315, 37095, 75945, 150853, 205259, 452559, 615777, 754265, 1026295, 2262795, 3078885, 12520799, 37562397, 62603995, 187811985]

約数ペア:

[(1, 187811985), (3, 62603995), (5, 37562397), (15, 12520799), (61, 3078885), (83, 2262795), (183, 1026295), (249, 754265), (305, 615777), (415, 452559), (915, 205259), (1245, 150853), (2473, 75945), (5063, 37095), (7419, 25315), (12365, 15189)]