15121995

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{2441}}^1$

素因数の和:2515

約数の個数: 32

約数和(自身を含む): 28131840

約数和(自身を除く): 13009845

約数列:

[1, 3, 5, 7, 15, 21, 35, 59, 105, 177, 295, 413, 885, 1239, 2065, 2441, 6195, 7323, 12205, 17087, 36615, 51261, 85435, 144019, 256305, 432057, 720095, 1008133, 2160285, 3024399, 5040665, 15121995]

約数ペア:

[(1, 15121995), (3, 5040665), (5, 3024399), (7, 2160285), (15, 1008133), (21, 720095), (35, 432057), (59, 256305), (105, 144019), (177, 85435), (295, 51261), (413, 36615), (885, 17087), (1239, 12205), (2065, 7323), (2441, 6195)]