16215213

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{509}}^1$

素因数の和:597

約数の個数: 32

約数和(自身を含む): 26046720

約数和(自身を除く): 9831507

約数列:

[1, 3, 7, 21, 37, 41, 111, 123, 259, 287, 509, 777, 861, 1517, 1527, 3563, 4551, 10619, 10689, 18833, 20869, 31857, 56499, 62607, 131831, 146083, 395493, 438249, 772153, 2316459, 5405071, 16215213]

約数ペア:

[(1, 16215213), (3, 5405071), (7, 2316459), (21, 772153), (37, 438249), (41, 395493), (111, 146083), (123, 131831), (259, 62607), (287, 56499), (509, 31857), (777, 20869), (861, 18833), (1517, 10689), (1527, 10619), (3563, 4551)]