128876475

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{821}}^1$

素因数の和:877

約数の個数: 96

約数和(自身を含む): 273982464

約数和(自身を除く): 145105989

約数列:

[1, 3, 5, 7, 13, 15, 21, 23, 25, 35, 39, 65, 69, 75, 91, 105, 115, 161, 175, 195, 273, 299, 325, 345, 455, 483, 525, 575, 805, 821, 897, 975, 1365, 1495, 1725, 2093, 2275, 2415, 2463, 4025, 4105, 4485, 5747, 6279, 6825, 7475, 10465, 10673, 12075, 12315, 17241, 18883, 20525, 22425, 28735, 31395, 32019, 52325, 53365, 56649, 61575, 74711, 86205, 94415, 132181, 143675, 156975, 160095, 224133, 245479, 266825, 283245, 373555, 396543, 431025, 472075, 660905, 736437, 800475, 1120665, 1227395, 1416225, 1718353, 1867775, 1982715, 3304525, 3682185, 5155059, 5603325, 6136975, 8591765, 9913575, 18410925, 25775295, 42958825, 128876475]

約数ペア:

[(1, 128876475), (3, 42958825), (5, 25775295), (7, 18410925), (13, 9913575), (15, 8591765), (21, 6136975), (23, 5603325), (25, 5155059), (35, 3682185), (39, 3304525), (65, 1982715), (69, 1867775), (75, 1718353), (91, 1416225), (105, 1227395), (115, 1120665), (161, 800475), (175, 736437), (195, 660905), (273, 472075), (299, 431025), (325, 396543), (345, 373555), (455, 283245), (483, 266825), (525, 245479), (575, 224133), (805, 160095), (821, 156975), (897, 143675), (975, 132181), (1365, 94415), (1495, 86205), (1725, 74711), (2093, 61575), (2275, 56649), (2415, 53365), (2463, 52325), (4025, 32019), (4105, 31395), (4485, 28735), (5747, 22425), (6279, 20525), (6825, 18883), (7475, 17241), (10465, 12315), (10673, 12075)]