181293885

素因数分解:

$3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{179}}^1\times {\mathrm{317}}^1$

素因数の和:578

約数の個数: 48

約数和(自身を含む): 321459840

約数和(自身を除く): 140165955

約数列:

[1, 3, 5, 9, 15, 45, 71, 179, 213, 317, 355, 537, 639, 895, 951, 1065, 1585, 1611, 2685, 2853, 3195, 4755, 8055, 12709, 14265, 22507, 38127, 56743, 63545, 67521, 112535, 114381, 170229, 190635, 202563, 283715, 337605, 510687, 571905, 851145, 1012815, 2553435, 4028753, 12086259, 20143765, 36258777, 60431295, 181293885]

約数ペア:

[(1, 181293885), (3, 60431295), (5, 36258777), (9, 20143765), (15, 12086259), (45, 4028753), (71, 2553435), (179, 1012815), (213, 851145), (317, 571905), (355, 510687), (537, 337605), (639, 283715), (895, 202563), (951, 190635), (1065, 170229), (1585, 114381), (1611, 112535), (2685, 67521), (2853, 63545), (3195, 56743), (4755, 38127), (8055, 22507), (12709, 14265)]