81177804

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{118681}}^1$

素因数の和:118710

約数の個数: 36

約数和(自身を含む): 216001240

約数和(自身を除く): 134823436

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 171, 228, 342, 684, 118681, 237362, 356043, 474724, 712086, 1068129, 1424172, 2136258, 2254939, 4272516, 4509878, 6764817, 9019756, 13529634, 20294451, 27059268, 40588902, 81177804]

約数ペア:

[(1, 81177804), (2, 40588902), (3, 27059268), (4, 20294451), (6, 13529634), (9, 9019756), (12, 6764817), (18, 4509878), (19, 4272516), (36, 2254939), (38, 2136258), (57, 1424172), (76, 1068129), (114, 712086), (171, 474724), (228, 356043), (342, 237362), (684, 118681)]