278801471529

素因数分解:

$3^3\times 7^1\times {\mathrm{79}}^1\times {\mathrm{1999}}^1\times {\mathrm{9341}}^1$

素因数の和:11435

約数の個数: 64

約数和(自身を含む): 478310400000

約数和(自身を除く): 199508928471

約数列:

[1, 3, 7, 9, 21, 27, 63, 79, 189, 237, 553, 711, 1659, 1999, 2133, 4977, 5997, 9341, 13993, 14931, 17991, 28023, 41979, 53973, 65387, 84069, 125937, 157921, 196161, 252207, 377811, 473763, 588483, 737939, 1105447, 1421289, 1765449, 2213817, 3316341, 4263867, 5165573, 6641451, 9949023, 15496719, 18672659, 19924353, 29847069, 46490157, 56017977, 130708613, 139470471, 168053931, 392125839, 504161793, 1176377517, 1475140061, 3529132551, 4425420183, 10325980427, 13276260549, 30977941281, 39828781647, 92933823843, 278801471529]

約数ペア:

[(1, 278801471529), (3, 92933823843), (7, 39828781647), (9, 30977941281), (21, 13276260549), (27, 10325980427), (63, 4425420183), (79, 3529132551), (189, 1475140061), (237, 1176377517), (553, 504161793), (711, 392125839), (1659, 168053931), (1999, 139470471), (2133, 130708613), (4977, 56017977), (5997, 46490157), (9341, 29847069), (13993, 19924353), (14931, 18672659), (17991, 15496719), (28023, 9949023), (41979, 6641451), (53973, 5165573), (65387, 4263867), (84069, 3316341), (125937, 2213817), (157921, 1765449), (196161, 1421289), (252207, 1105447), (377811, 737939), (473763, 588483)]