153425811

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{397}}^1$

素因数の和:664

約数の個数: 48

約数和(自身を含む): 261342720

約数和(自身を除く): 107916909

約数列:

[1, 3, 7, 11, 21, 33, 49, 77, 147, 231, 239, 397, 539, 717, 1191, 1617, 1673, 2629, 2779, 4367, 5019, 7887, 8337, 11711, 13101, 18403, 19453, 30569, 35133, 55209, 58359, 91707, 94883, 128821, 213983, 284649, 386463, 641949, 664181, 1043713, 1992543, 3131139, 4649267, 7305991, 13947801, 21917973, 51141937, 153425811]

約数ペア:

[(1, 153425811), (3, 51141937), (7, 21917973), (11, 13947801), (21, 7305991), (33, 4649267), (49, 3131139), (77, 1992543), (147, 1043713), (231, 664181), (239, 641949), (397, 386463), (539, 284649), (717, 213983), (1191, 128821), (1617, 94883), (1673, 91707), (2629, 58359), (2779, 55209), (4367, 35133), (5019, 30569), (7887, 19453), (8337, 18403), (11711, 13101)]