209396847

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{2591}}^1$

素因数の和:2715

約数の個数: 32

約数和(自身を含む): 318504960

約数和(自身を除く): 109108113

約数列:

[1, 3, 11, 31, 33, 79, 93, 237, 341, 869, 1023, 2449, 2591, 2607, 7347, 7773, 26939, 28501, 80321, 80817, 85503, 204689, 240963, 614067, 883531, 2251579, 2650593, 6345359, 6754737, 19036077, 69798949, 209396847]

約数ペア:

[(1, 209396847), (3, 69798949), (11, 19036077), (31, 6754737), (33, 6345359), (79, 2650593), (93, 2251579), (237, 883531), (341, 614067), (869, 240963), (1023, 204689), (2449, 85503), (2591, 80817), (2607, 80321), (7347, 28501), (7773, 26939)]