205301817

素因数分解:

$3^3\times 7^2\times {\mathrm{29}}^1\times {\mathrm{5351}}^1$

素因数の和:5403

約数の個数: 48

約数和(自身を含む): 366076800

約数和(自身を除く): 160774983

約数列:

[1, 3, 7, 9, 21, 27, 29, 49, 63, 87, 147, 189, 203, 261, 441, 609, 783, 1323, 1421, 1827, 4263, 5351, 5481, 12789, 16053, 37457, 38367, 48159, 112371, 144477, 155179, 262199, 337113, 465537, 786597, 1011339, 1086253, 1396611, 2359791, 3258759, 4189833, 7079373, 7603771, 9776277, 22811313, 29328831, 68433939, 205301817]

約数ペア:

[(1, 205301817), (3, 68433939), (7, 29328831), (9, 22811313), (21, 9776277), (27, 7603771), (29, 7079373), (49, 4189833), (63, 3258759), (87, 2359791), (147, 1396611), (189, 1086253), (203, 1011339), (261, 786597), (441, 465537), (609, 337113), (783, 262199), (1323, 155179), (1421, 144477), (1827, 112371), (4263, 48159), (5351, 38367), (5481, 37457), (12789, 16053)]