78648579

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{331}}^1\times {\mathrm{1553}}^1$

素因数の和:1907

約数の個数: 24

約数和(自身を含む): 120727152

約数和(自身を除く): 42078573

約数列:

[1, 3, 9, 17, 51, 153, 331, 993, 1553, 2979, 4659, 5627, 13977, 16881, 26401, 50643, 79203, 237609, 514043, 1542129, 4626387, 8738731, 26216193, 78648579]

約数ペア:

[(1, 78648579), (3, 26216193), (9, 8738731), (17, 4626387), (51, 1542129), (153, 514043), (331, 237609), (993, 79203), (1553, 50643), (2979, 26401), (4659, 16881), (5627, 13977)]