990242175

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{6469}}^1$

素因数の和:6652

約数の個数: 48

約数和(自身を含む): 1774643360

約数和(自身を除く): 784401185

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 157, 195, 325, 471, 785, 975, 2041, 2355, 3925, 6123, 6469, 10205, 11775, 19407, 30615, 32345, 51025, 84097, 97035, 153075, 161725, 252291, 420485, 485175, 1015633, 1261455, 2102425, 3046899, 5078165, 6307275, 13203229, 15234495, 25390825, 39609687, 66016145, 76172475, 198048435, 330080725, 990242175]

約数ペア:

[(1, 990242175), (3, 330080725), (5, 198048435), (13, 76172475), (15, 66016145), (25, 39609687), (39, 25390825), (65, 15234495), (75, 13203229), (157, 6307275), (195, 5078165), (325, 3046899), (471, 2102425), (785, 1261455), (975, 1015633), (2041, 485175), (2355, 420485), (3925, 252291), (6123, 161725), (6469, 153075), (10205, 97035), (11775, 84097), (19407, 51025), (30615, 32345)]