404366985

素因数分解:

$3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{653}}^1$

素因数の和:820

約数の個数: 80

約数和(自身を含む): 797670720

約数和(自身を除く): 393303735

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 81, 99, 135, 139, 165, 297, 405, 417, 495, 653, 695, 891, 1251, 1485, 1529, 1959, 2085, 3265, 3753, 4455, 4587, 5877, 6255, 7183, 7645, 9795, 11259, 13761, 17631, 18765, 21549, 22935, 29385, 35915, 41283, 52893, 56295, 64647, 68805, 88155, 90767, 107745, 123849, 193941, 206415, 264465, 272301, 323235, 453835, 581823, 619245, 816903, 969705, 998437, 1361505, 2450709, 2909115, 2995311, 4084515, 4992185, 7352127, 8985933, 12253545, 14976555, 26957799, 36760635, 44929665, 80873397, 134788995, 404366985]

約数ペア:

[(1, 404366985), (3, 134788995), (5, 80873397), (9, 44929665), (11, 36760635), (15, 26957799), (27, 14976555), (33, 12253545), (45, 8985933), (55, 7352127), (81, 4992185), (99, 4084515), (135, 2995311), (139, 2909115), (165, 2450709), (297, 1361505), (405, 998437), (417, 969705), (495, 816903), (653, 619245), (695, 581823), (891, 453835), (1251, 323235), (1485, 272301), (1529, 264465), (1959, 206415), (2085, 193941), (3265, 123849), (3753, 107745), (4455, 90767), (4587, 88155), (5877, 68805), (6255, 64647), (7183, 56295), (7645, 52893), (9795, 41283), (11259, 35915), (13761, 29385), (17631, 22935), (18765, 21549)]