157211325

素因数分解:

$3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1787}}^1$

素因数の和:1843

約数の個数: 72

約数和(自身を含む): 311283648

約数和(自身を除く): 154072323

約数列:

[1, 3, 5, 9, 15, 17, 23, 25, 45, 51, 69, 75, 85, 115, 153, 207, 225, 255, 345, 391, 425, 575, 765, 1035, 1173, 1275, 1725, 1787, 1955, 3519, 3825, 5175, 5361, 5865, 8935, 9775, 16083, 17595, 26805, 29325, 30379, 41101, 44675, 80415, 87975, 91137, 123303, 134025, 151895, 205505, 273411, 369909, 402075, 455685, 616515, 698717, 759475, 1027525, 1367055, 1849545, 2096151, 2278425, 3082575, 3493585, 6288453, 6835275, 9247725, 10480755, 17467925, 31442265, 52403775, 157211325]

約数ペア:

[(1, 157211325), (3, 52403775), (5, 31442265), (9, 17467925), (15, 10480755), (17, 9247725), (23, 6835275), (25, 6288453), (45, 3493585), (51, 3082575), (69, 2278425), (75, 2096151), (85, 1849545), (115, 1367055), (153, 1027525), (207, 759475), (225, 698717), (255, 616515), (345, 455685), (391, 402075), (425, 369909), (575, 273411), (765, 205505), (1035, 151895), (1173, 134025), (1275, 123303), (1725, 91137), (1787, 87975), (1955, 80415), (3519, 44675), (3825, 41101), (5175, 30379), (5361, 29325), (5865, 26805), (8935, 17595), (9775, 16083)]