2021915025

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{389}}^1\times {\mathrm{1777}}^1$

素因数の和:2195

約数の個数: 72

約数和(自身を含む): 3912275640

約数和(自身を除く): 1890360615

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 45, 65, 75, 117, 195, 225, 325, 389, 585, 975, 1167, 1777, 1945, 2925, 3501, 5057, 5331, 5835, 8885, 9725, 15171, 15993, 17505, 23101, 25285, 26655, 29175, 44425, 45513, 69303, 75855, 79965, 87525, 115505, 126425, 133275, 207909, 227565, 346515, 379275, 399825, 577525, 691253, 1039545, 1137825, 1732575, 2073759, 3456265, 5197725, 6221277, 8986289, 10368795, 17281325, 26958867, 31106385, 44931445, 51843975, 80876601, 134794335, 155531925, 224657225, 404383005, 673971675, 2021915025]

約数ペア:

[(1, 2021915025), (3, 673971675), (5, 404383005), (9, 224657225), (13, 155531925), (15, 134794335), (25, 80876601), (39, 51843975), (45, 44931445), (65, 31106385), (75, 26958867), (117, 17281325), (195, 10368795), (225, 8986289), (325, 6221277), (389, 5197725), (585, 3456265), (975, 2073759), (1167, 1732575), (1777, 1137825), (1945, 1039545), (2925, 691253), (3501, 577525), (5057, 399825), (5331, 379275), (5835, 346515), (8885, 227565), (9725, 207909), (15171, 133275), (15993, 126425), (17505, 115505), (23101, 87525), (25285, 79965), (26655, 75855), (29175, 69303), (44425, 45513)]