1981623447

素因数分解:

$3^5\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{193}}^1$

素因数の和:315

約数の個数: 96

約数和(自身を含む): 3253985280

約数和(自身を除く): 1272361833

約数列:

[1, 3, 9, 27, 29, 31, 47, 81, 87, 93, 141, 193, 243, 261, 279, 423, 579, 783, 837, 899, 1269, 1363, 1457, 1737, 2349, 2511, 2697, 3807, 4089, 4371, 5211, 5597, 5983, 7047, 7533, 8091, 9071, 11421, 12267, 13113, 15633, 16791, 17949, 24273, 27213, 36801, 39339, 42253, 46899, 50373, 53847, 72819, 81639, 110403, 118017, 126759, 151119, 161541, 173507, 218457, 244917, 263059, 281201, 331209, 354051, 380277, 453357, 484623, 520521, 734751, 789177, 843603, 1140831, 1360071, 1453869, 1561563, 2204253, 2367531, 2530809, 3422493, 4684689, 7102593, 7592427, 8154829, 10267479, 14054067, 21307779, 22777281, 24464487, 42162201, 63923337, 68331843, 73393461, 220180383, 660541149, 1981623447]

約数ペア:

[(1, 1981623447), (3, 660541149), (9, 220180383), (27, 73393461), (29, 68331843), (31, 63923337), (47, 42162201), (81, 24464487), (87, 22777281), (93, 21307779), (141, 14054067), (193, 10267479), (243, 8154829), (261, 7592427), (279, 7102593), (423, 4684689), (579, 3422493), (783, 2530809), (837, 2367531), (899, 2204253), (1269, 1561563), (1363, 1453869), (1457, 1360071), (1737, 1140831), (2349, 843603), (2511, 789177), (2697, 734751), (3807, 520521), (4089, 484623), (4371, 453357), (5211, 380277), (5597, 354051), (5983, 331209), (7047, 281201), (7533, 263059), (8091, 244917), (9071, 218457), (11421, 173507), (12267, 161541), (13113, 151119), (15633, 126759), (16791, 118017), (17949, 110403), (24273, 81639), (27213, 72819), (36801, 53847), (39339, 50373), (42253, 46899)]