72778671

素因数分解:

$3^2\times 7^2\times {\mathrm{79}}^1\times {\mathrm{2089}}^1$

素因数の和:2188

約数の個数: 36

約数和(自身を含む): 123895200

約数和(自身を除く): 51116529

約数列:

[1, 3, 7, 9, 21, 49, 63, 79, 147, 237, 441, 553, 711, 1659, 2089, 3871, 4977, 6267, 11613, 14623, 18801, 34839, 43869, 102361, 131607, 165031, 307083, 495093, 921249, 1155217, 1485279, 3465651, 8086519, 10396953, 24259557, 72778671]

約数ペア:

[(1, 72778671), (3, 24259557), (7, 10396953), (9, 8086519), (21, 3465651), (49, 1485279), (63, 1155217), (79, 921249), (147, 495093), (237, 307083), (441, 165031), (553, 131607), (711, 102361), (1659, 43869), (2089, 34839), (3871, 18801), (4977, 14623), (6267, 11613)]