201997575

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{1303}}^1$

素因数の和:1385

約数の個数: 72

約数和(自身を含む): 397287072

約数和(自身を除く): 195289497

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 45, 53, 65, 75, 117, 159, 195, 225, 265, 325, 477, 585, 689, 795, 975, 1303, 1325, 2067, 2385, 2925, 3445, 3909, 3975, 6201, 6515, 10335, 11727, 11925, 16939, 17225, 19545, 31005, 32575, 50817, 51675, 58635, 69059, 84695, 97725, 152451, 155025, 207177, 254085, 293175, 345295, 423475, 621531, 762255, 897767, 1035885, 1270425, 1726475, 2693301, 3107655, 3811275, 4488835, 5179425, 8079903, 13466505, 15538275, 22444175, 40399515, 67332525, 201997575]

約数ペア:

[(1, 201997575), (3, 67332525), (5, 40399515), (9, 22444175), (13, 15538275), (15, 13466505), (25, 8079903), (39, 5179425), (45, 4488835), (53, 3811275), (65, 3107655), (75, 2693301), (117, 1726475), (159, 1270425), (195, 1035885), (225, 897767), (265, 762255), (325, 621531), (477, 423475), (585, 345295), (689, 293175), (795, 254085), (975, 207177), (1303, 155025), (1325, 152451), (2067, 97725), (2385, 84695), (2925, 69059), (3445, 58635), (3909, 51675), (3975, 50817), (6201, 32575), (6515, 31005), (10335, 19545), (11727, 17225), (11925, 16939)]