318392289

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{149}}^1$

素因数の和:252

約数の個数: 80

約数和(自身を含む): 529689600

約数和(自身を除く): 211297311

約数列:

[1, 3, 9, 23, 27, 31, 37, 69, 81, 93, 111, 149, 207, 279, 333, 447, 621, 713, 837, 851, 999, 1147, 1341, 1863, 2139, 2511, 2553, 2997, 3427, 3441, 4023, 4619, 5513, 6417, 7659, 10281, 10323, 12069, 13857, 16539, 19251, 22977, 26381, 30843, 30969, 41571, 49617, 57753, 68931, 79143, 92529, 92907, 106237, 124713, 126799, 148851, 170903, 237429, 277587, 318711, 374139, 380397, 446553, 512709, 712287, 956133, 1141191, 1538127, 2136861, 2868399, 3423573, 3930769, 4614381, 8605197, 10270719, 11792307, 13843143, 35376921, 106130763, 318392289]

約数ペア:

[(1, 318392289), (3, 106130763), (9, 35376921), (23, 13843143), (27, 11792307), (31, 10270719), (37, 8605197), (69, 4614381), (81, 3930769), (93, 3423573), (111, 2868399), (149, 2136861), (207, 1538127), (279, 1141191), (333, 956133), (447, 712287), (621, 512709), (713, 446553), (837, 380397), (851, 374139), (999, 318711), (1147, 277587), (1341, 237429), (1863, 170903), (2139, 148851), (2511, 126799), (2553, 124713), (2997, 106237), (3427, 92907), (3441, 92529), (4023, 79143), (4619, 68931), (5513, 57753), (6417, 49617), (7659, 41571), (10281, 30969), (10323, 30843), (12069, 26381), (13857, 22977), (16539, 19251)]