201643641

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{113}}^1$

素因数の和:247

約数の個数: 64

約数和(自身を含む): 325036800

約数和(自身を除く): 123393159

約数列:

[1, 3, 9, 27, 29, 43, 53, 87, 113, 129, 159, 261, 339, 387, 477, 783, 1017, 1161, 1247, 1431, 1537, 2279, 3051, 3277, 3741, 4611, 4859, 5989, 6837, 9831, 11223, 13833, 14577, 17967, 20511, 29493, 33669, 41499, 43731, 53901, 61533, 66091, 88479, 131193, 140911, 161703, 173681, 198273, 257527, 422733, 521043, 594819, 772581, 1268199, 1563129, 1784457, 2317743, 3804597, 4689387, 6953229, 7468283, 22404849, 67214547, 201643641]

約数ペア:

[(1, 201643641), (3, 67214547), (9, 22404849), (27, 7468283), (29, 6953229), (43, 4689387), (53, 3804597), (87, 2317743), (113, 1784457), (129, 1563129), (159, 1268199), (261, 772581), (339, 594819), (387, 521043), (477, 422733), (783, 257527), (1017, 198273), (1161, 173681), (1247, 161703), (1431, 140911), (1537, 131193), (2279, 88479), (3051, 66091), (3277, 61533), (3741, 53901), (4611, 43731), (4859, 41499), (5989, 33669), (6837, 29493), (9831, 20511), (11223, 17967), (13833, 14577)]