15968265

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1303}}^1$

素因数の和:1373

約数の個数: 32

約数和(自身を含む): 27540480

約数和(自身を除く): 11572215

約数列:

[1, 3, 5, 15, 19, 43, 57, 95, 129, 215, 285, 645, 817, 1303, 2451, 3909, 4085, 6515, 12255, 19545, 24757, 56029, 74271, 123785, 168087, 280145, 371355, 840435, 1064551, 3193653, 5322755, 15968265]

約数ペア:

[(1, 15968265), (3, 5322755), (5, 3193653), (15, 1064551), (19, 840435), (43, 371355), (57, 280145), (95, 168087), (129, 123785), (215, 74271), (285, 56029), (645, 24757), (817, 19545), (1303, 12255), (2451, 6515), (3909, 4085)]