1728222723

素因数分解:

$3^4\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1$

素因数の和:326

約数の個数: 80

約数和(自身を含む): 2764608000

約数和(自身を除く): 1036385277

約数列:

[1, 3, 9, 27, 29, 67, 79, 81, 87, 139, 201, 237, 261, 417, 603, 711, 783, 1251, 1809, 1943, 2133, 2291, 2349, 3753, 4031, 5293, 5427, 5829, 6399, 6873, 9313, 10981, 11259, 12093, 15879, 17487, 20619, 27939, 32943, 36279, 47637, 52461, 61857, 83817, 98829, 108837, 142911, 153497, 157383, 185571, 251451, 270077, 296487, 318449, 326511, 428733, 460491, 735727, 754353, 810231, 889461, 955347, 1381473, 2207181, 2430693, 2866041, 4144419, 6621543, 7292079, 8598123, 12433257, 19864629, 21336083, 21876237, 25794369, 59593887, 64008249, 192024747, 576074241, 1728222723]

約数ペア:

[(1, 1728222723), (3, 576074241), (9, 192024747), (27, 64008249), (29, 59593887), (67, 25794369), (79, 21876237), (81, 21336083), (87, 19864629), (139, 12433257), (201, 8598123), (237, 7292079), (261, 6621543), (417, 4144419), (603, 2866041), (711, 2430693), (783, 2207181), (1251, 1381473), (1809, 955347), (1943, 889461), (2133, 810231), (2291, 754353), (2349, 735727), (3753, 460491), (4031, 428733), (5293, 326511), (5427, 318449), (5829, 296487), (6399, 270077), (6873, 251451), (9313, 185571), (10981, 157383), (11259, 153497), (12093, 142911), (15879, 108837), (17487, 98829), (20619, 83817), (27939, 61857), (32943, 52461), (36279, 47637)]