201087915

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{137}}^1\times {\mathrm{1997}}^1$

素因数の和:2156

約数の個数: 48

約数和(自身を含む): 377190432

約数和(自身を除く): 176102517

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 137, 147, 245, 411, 685, 735, 959, 1997, 2055, 2877, 4795, 5991, 6713, 9985, 13979, 14385, 20139, 29955, 33565, 41937, 69895, 97853, 100695, 209685, 273589, 293559, 489265, 820767, 1367945, 1467795, 1915123, 4103835, 5745369, 9575615, 13405861, 28726845, 40217583, 67029305, 201087915]

約数ペア:

[(1, 201087915), (3, 67029305), (5, 40217583), (7, 28726845), (15, 13405861), (21, 9575615), (35, 5745369), (49, 4103835), (105, 1915123), (137, 1467795), (147, 1367945), (245, 820767), (411, 489265), (685, 293559), (735, 273589), (959, 209685), (1997, 100695), (2055, 97853), (2877, 69895), (4795, 41937), (5991, 33565), (6713, 29955), (9985, 20139), (13979, 14385)]