13923105

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{997}}^1$

素因数の和:1038

約数の個数: 48

約数和(自身を含む): 27305280

約数和(自身を除く): 13382175

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 49, 57, 95, 105, 133, 147, 245, 285, 399, 665, 735, 931, 997, 1995, 2793, 2991, 4655, 4985, 6979, 13965, 14955, 18943, 20937, 34895, 48853, 56829, 94715, 104685, 132601, 146559, 244265, 284145, 397803, 663005, 732795, 928207, 1989015, 2784621, 4641035, 13923105]

約数ペア:

[(1, 13923105), (3, 4641035), (5, 2784621), (7, 1989015), (15, 928207), (19, 732795), (21, 663005), (35, 397803), (49, 284145), (57, 244265), (95, 146559), (105, 132601), (133, 104685), (147, 94715), (245, 56829), (285, 48853), (399, 34895), (665, 20937), (735, 18943), (931, 14955), (997, 13965), (1995, 6979), (2793, 4985), (2991, 4655)]