16854855

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{541}}^1$

素因数の和:647

約数の個数: 32

約数和(自身を含む): 28305408

約数和(自身を除く): 11450553

約数列:

[1, 3, 5, 15, 31, 67, 93, 155, 201, 335, 465, 541, 1005, 1623, 2077, 2705, 6231, 8115, 10385, 16771, 31155, 36247, 50313, 83855, 108741, 181235, 251565, 543705, 1123657, 3370971, 5618285, 16854855]

約数ペア:

[(1, 16854855), (3, 5618285), (5, 3370971), (15, 1123657), (31, 543705), (67, 251565), (93, 181235), (155, 108741), (201, 83855), (335, 50313), (465, 36247), (541, 31155), (1005, 16771), (1623, 10385), (2077, 8115), (2705, 6231)]