16568205

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{331}}^1$

素因数の和:457

約数の個数: 32

約数和(自身を含む): 27537408

約数和(自身を除く): 10969203

約数列:

[1, 3, 5, 15, 47, 71, 141, 213, 235, 331, 355, 705, 993, 1065, 1655, 3337, 4965, 10011, 15557, 16685, 23501, 46671, 50055, 70503, 77785, 117505, 233355, 352515, 1104547, 3313641, 5522735, 16568205]

約数ペア:

[(1, 16568205), (3, 5522735), (5, 3313641), (15, 1104547), (47, 352515), (71, 233355), (141, 117505), (213, 77785), (235, 70503), (331, 50055), (355, 46671), (705, 23501), (993, 16685), (1065, 15557), (1655, 10011), (3337, 4965)]