20171119059

素因数分解:

$3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{44537}}^1$

素因数の和:44649

約数の個数: 72

約数和(自身を含む): 36962976960

約数和(自身を除く): 16791857901

約数列:

[1, 3, 7, 9, 13, 21, 39, 49, 63, 79, 91, 117, 147, 237, 273, 441, 553, 637, 711, 819, 1027, 1659, 1911, 3081, 3871, 4977, 5733, 7189, 9243, 11613, 21567, 34839, 44537, 50323, 64701, 133611, 150969, 311759, 400833, 452907, 578981, 935277, 1736943, 2182313, 2805831, 3518423, 4052867, 5210829, 6546939, 10555269, 12158601, 19640817, 24628961, 28370069, 31665807, 36475803, 45739499, 73886883, 85110207, 137218497, 172402727, 221660649, 255330621, 320176493, 411655491, 517208181, 960529479, 1551624543, 2241235451, 2881588437, 6723706353, 20171119059]

約数ペア:

[(1, 20171119059), (3, 6723706353), (7, 2881588437), (9, 2241235451), (13, 1551624543), (21, 960529479), (39, 517208181), (49, 411655491), (63, 320176493), (79, 255330621), (91, 221660649), (117, 172402727), (147, 137218497), (237, 85110207), (273, 73886883), (441, 45739499), (553, 36475803), (637, 31665807), (711, 28370069), (819, 24628961), (1027, 19640817), (1659, 12158601), (1911, 10555269), (3081, 6546939), (3871, 5210829), (4977, 4052867), (5733, 3518423), (7189, 2805831), (9243, 2182313), (11613, 1736943), (21567, 935277), (34839, 578981), (44537, 452907), (50323, 400833), (64701, 311759), (133611, 150969)]