67199925

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{439}}^1$

素因数の和:622

約数の個数: 48

約数和(自身を含む): 120686720

約数和(自身を除く): 53486795

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 157, 195, 325, 439, 471, 785, 975, 1317, 2041, 2195, 2355, 3925, 5707, 6123, 6585, 10205, 10975, 11775, 17121, 28535, 30615, 32925, 51025, 68923, 85605, 142675, 153075, 206769, 344615, 428025, 895999, 1033845, 1723075, 2687997, 4479995, 5169225, 13439985, 22399975, 67199925]

約数ペア:

[(1, 67199925), (3, 22399975), (5, 13439985), (13, 5169225), (15, 4479995), (25, 2687997), (39, 1723075), (65, 1033845), (75, 895999), (157, 428025), (195, 344615), (325, 206769), (439, 153075), (471, 142675), (785, 85605), (975, 68923), (1317, 51025), (2041, 32925), (2195, 30615), (2355, 28535), (3925, 17121), (5707, 11775), (6123, 10975), (6585, 10205)]