15955709

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1$

素因数の和:201

約数の個数: 32

約数和(自身を含む): 20951040

約数和(自身を除く): 4995331

約数列:

[1, 7, 11, 43, 61, 77, 79, 301, 427, 473, 553, 671, 869, 2623, 3311, 3397, 4697, 4819, 6083, 18361, 23779, 28853, 33733, 37367, 53009, 201971, 207217, 261569, 371063, 1450519, 2279387, 15955709]

約数ペア:

[(1, 15955709), (7, 2279387), (11, 1450519), (43, 371063), (61, 261569), (77, 207217), (79, 201971), (301, 53009), (427, 37367), (473, 33733), (553, 28853), (671, 23779), (869, 18361), (2623, 6083), (3311, 4819), (3397, 4697)]