138319405

素因数分解:

$5^1\times 7^2\times {\mathrm{347}}^1\times {\mathrm{1627}}^1$

素因数の和:1993

約数の個数: 24

約数和(自身を含む): 193758048

約数和(自身を除く): 55438643

約数列:

[1, 5, 7, 35, 49, 245, 347, 1627, 1735, 2429, 8135, 11389, 12145, 17003, 56945, 79723, 85015, 398615, 564569, 2822845, 3951983, 19759915, 27663881, 138319405]

約数ペア:

[(1, 138319405), (5, 27663881), (7, 19759915), (35, 3951983), (49, 2822845), (245, 564569), (347, 398615), (1627, 85015), (1735, 79723), (2429, 56945), (8135, 17003), (11389, 12145)]