201289305

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{137}}^1\times {\mathrm{1999}}^1$

素因数の和:2158

約数の個数: 48

約数和(自身を含む): 377568000

約数和(自身を除く): 176278695

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 137, 147, 245, 411, 685, 735, 959, 1999, 2055, 2877, 4795, 5997, 6713, 9995, 13993, 14385, 20139, 29985, 33565, 41979, 69965, 97951, 100695, 209895, 273863, 293853, 489755, 821589, 1369315, 1469265, 1917041, 4107945, 5751123, 9585205, 13419287, 28755615, 40257861, 67096435, 201289305]

約数ペア:

[(1, 201289305), (3, 67096435), (5, 40257861), (7, 28755615), (15, 13419287), (21, 9585205), (35, 5751123), (49, 4107945), (105, 1917041), (137, 1469265), (147, 1369315), (245, 821589), (411, 489755), (685, 293853), (735, 273863), (959, 209895), (1999, 100695), (2055, 97951), (2877, 69965), (4795, 41979), (5997, 33565), (6713, 29985), (9995, 20139), (13993, 14385)]