13381305

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{4111}}^1$

素因数の和:4157

約数の個数: 32

約数和(自身を含む): 25264128

約数和(自身を除く): 11882823

約数列:

[1, 3, 5, 7, 15, 21, 31, 35, 93, 105, 155, 217, 465, 651, 1085, 3255, 4111, 12333, 20555, 28777, 61665, 86331, 127441, 143885, 382323, 431655, 637205, 892087, 1911615, 2676261, 4460435, 13381305]

約数ペア:

[(1, 13381305), (3, 4460435), (5, 2676261), (7, 1911615), (15, 892087), (21, 637205), (31, 431655), (35, 382323), (93, 143885), (105, 127441), (155, 86331), (217, 61665), (465, 28777), (651, 20555), (1085, 12333), (3255, 4111)]