199555587

素因数分解:

$3^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1327}}^1$

素因数の和:1389

約数の個数: 72

約数和(自身を含む): 377874432

約数和(自身を除く): 178318845

約数列:

[1, 3, 7, 9, 11, 21, 31, 33, 49, 63, 77, 93, 99, 147, 217, 231, 279, 341, 441, 539, 651, 693, 1023, 1327, 1519, 1617, 1953, 2387, 3069, 3981, 4557, 4851, 7161, 9289, 11943, 13671, 14597, 16709, 21483, 27867, 41137, 43791, 50127, 65023, 83601, 102179, 123411, 131373, 150381, 195069, 287959, 306537, 370233, 452507, 585207, 715253, 863877, 919611, 1357521, 2015713, 2145759, 2591631, 3167549, 4072563, 6047139, 6437277, 9502647, 18141417, 22172843, 28507941, 66518529, 199555587]

約数ペア:

[(1, 199555587), (3, 66518529), (7, 28507941), (9, 22172843), (11, 18141417), (21, 9502647), (31, 6437277), (33, 6047139), (49, 4072563), (63, 3167549), (77, 2591631), (93, 2145759), (99, 2015713), (147, 1357521), (217, 919611), (231, 863877), (279, 715253), (341, 585207), (441, 452507), (539, 370233), (651, 306537), (693, 287959), (1023, 195069), (1327, 150381), (1519, 131373), (1617, 123411), (1953, 102179), (2387, 83601), (3069, 65023), (3981, 50127), (4557, 43791), (4851, 41137), (7161, 27867), (9289, 21483), (11943, 16709), (13671, 14597)]