20121943149

素因数分解:

$3^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{1009}}^1\times {\mathrm{4111}}^1$

素因数の和:5151

約数の個数: 72

約数和(自身を含む): 36929543040

約数和(自身を除く): 16807599891

約数列:

[1, 3, 7, 9, 11, 21, 33, 49, 63, 77, 99, 147, 231, 441, 539, 693, 1009, 1617, 3027, 4111, 4851, 7063, 9081, 11099, 12333, 21189, 28777, 33297, 36999, 45221, 49441, 63567, 77693, 86331, 99891, 135663, 148323, 201439, 233079, 258993, 316547, 406989, 444969, 543851, 604317, 699237, 949641, 1631553, 1812951, 2215829, 2848923, 4147999, 4894659, 6647487, 12443997, 19942461, 29035993, 37331991, 45627989, 87107979, 136883967, 203251951, 261323937, 319395923, 410651901, 609755853, 958187769, 1829267559, 2235771461, 2874563307, 6707314383, 20121943149]

約数ペア:

[(1, 20121943149), (3, 6707314383), (7, 2874563307), (9, 2235771461), (11, 1829267559), (21, 958187769), (33, 609755853), (49, 410651901), (63, 319395923), (77, 261323937), (99, 203251951), (147, 136883967), (231, 87107979), (441, 45627989), (539, 37331991), (693, 29035993), (1009, 19942461), (1617, 12443997), (3027, 6647487), (4111, 4894659), (4851, 4147999), (7063, 2848923), (9081, 2215829), (11099, 1812951), (12333, 1631553), (21189, 949641), (28777, 699237), (33297, 604317), (36999, 543851), (45221, 444969), (49441, 406989), (63567, 316547), (77693, 258993), (86331, 233079), (99891, 201439), (135663, 148323)]