7997955

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{211}}^1$

素因数の和:264

約数の個数: 48

約数和(自身を含む): 15508224

約数和(自身を除く): 7510269

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 57, 95, 105, 133, 211, 285, 361, 399, 633, 665, 1055, 1083, 1477, 1805, 1995, 2527, 3165, 4009, 4431, 5415, 7385, 7581, 12027, 12635, 20045, 22155, 28063, 37905, 60135, 76171, 84189, 140315, 228513, 380855, 420945, 533197, 1142565, 1599591, 2665985, 7997955]

約数ペア:

[(1, 7997955), (3, 2665985), (5, 1599591), (7, 1142565), (15, 533197), (19, 420945), (21, 380855), (35, 228513), (57, 140315), (95, 84189), (105, 76171), (133, 60135), (211, 37905), (285, 28063), (361, 22155), (399, 20045), (633, 12635), (665, 12027), (1055, 7581), (1083, 7385), (1477, 5415), (1805, 4431), (1995, 4009), (2527, 3165)]