817696989

素因数分解:

$3^2\times {\mathrm{23}}^2\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1$

素因数の和:223

約数の個数: 72

約数和(自身を含む): 1304372160

約数和(自身を除く): 486675171

約数列:

[1, 3, 9, 23, 41, 59, 69, 71, 123, 177, 207, 213, 369, 529, 531, 639, 943, 1357, 1587, 1633, 2419, 2829, 2911, 4071, 4189, 4761, 4899, 7257, 8487, 8733, 12213, 12567, 14697, 21689, 21771, 26199, 31211, 37559, 37701, 55637, 65067, 66953, 93633, 96347, 112677, 166911, 171749, 195201, 200859, 280899, 289041, 338031, 500733, 515247, 602577, 867123, 1279651, 1539919, 1545741, 2215981, 3838953, 3950227, 4619757, 6647943, 11516859, 11850681, 13859271, 19943829, 35552043, 90855221, 272565663, 817696989]

約数ペア:

[(1, 817696989), (3, 272565663), (9, 90855221), (23, 35552043), (41, 19943829), (59, 13859271), (69, 11850681), (71, 11516859), (123, 6647943), (177, 4619757), (207, 3950227), (213, 3838953), (369, 2215981), (529, 1545741), (531, 1539919), (639, 1279651), (943, 867123), (1357, 602577), (1587, 515247), (1633, 500733), (2419, 338031), (2829, 289041), (2911, 280899), (4071, 200859), (4189, 195201), (4761, 171749), (4899, 166911), (7257, 112677), (8487, 96347), (8733, 93633), (12213, 66953), (12567, 65067), (14697, 55637), (21689, 37701), (21771, 37559), (26199, 31211)]