7871745

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1229}}^1$

素因数の和:1305

約数の個数: 32

約数和(自身を含む): 14641920

約数和(自身を除く): 6770175

約数列:

[1, 3, 5, 7, 15, 21, 35, 61, 105, 183, 305, 427, 915, 1229, 1281, 2135, 3687, 6145, 6405, 8603, 18435, 25809, 43015, 74969, 129045, 224907, 374845, 524783, 1124535, 1574349, 2623915, 7871745]

約数ペア:

[(1, 7871745), (3, 2623915), (5, 1574349), (7, 1124535), (15, 524783), (21, 374845), (35, 224907), (61, 129045), (105, 74969), (183, 43015), (305, 25809), (427, 18435), (915, 8603), (1229, 6405), (1281, 6145), (2135, 3687)]