30786777

素因数分解:

$3^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1$

素因数の和:223

約数の個数: 64

約数和(自身を含む): 55641600

約数和(自身を除く): 24854823

約数列:

[1, 3, 7, 9, 21, 27, 29, 41, 63, 87, 123, 137, 189, 203, 261, 287, 369, 411, 609, 783, 861, 959, 1107, 1189, 1233, 1827, 2583, 2877, 3567, 3699, 3973, 5481, 5617, 7749, 8323, 8631, 10701, 11919, 16851, 24969, 25893, 27811, 32103, 35757, 39319, 50553, 74907, 83433, 107271, 117957, 151659, 162893, 224721, 250299, 353871, 488679, 750897, 1061613, 1140251, 1466037, 3420753, 4398111, 10262259, 30786777]

約数ペア:

[(1, 30786777), (3, 10262259), (7, 4398111), (9, 3420753), (21, 1466037), (27, 1140251), (29, 1061613), (41, 750897), (63, 488679), (87, 353871), (123, 250299), (137, 224721), (189, 162893), (203, 151659), (261, 117957), (287, 107271), (369, 83433), (411, 74907), (609, 50553), (783, 39319), (861, 35757), (959, 32103), (1107, 27811), (1189, 25893), (1233, 24969), (1827, 16851), (2583, 11919), (2877, 10701), (3567, 8631), (3699, 8323), (3973, 7749), (5481, 5617)]