172389105

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{2113}}^1$

素因数の和:2175

約数の個数: 72

約数和(自身を含む): 357156072

約数和(自身を除く): 184766967

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 37, 45, 49, 63, 105, 111, 147, 185, 245, 259, 315, 333, 441, 555, 735, 777, 1295, 1665, 1813, 2113, 2205, 2331, 3885, 5439, 6339, 9065, 10565, 11655, 14791, 16317, 19017, 27195, 31695, 44373, 73955, 78181, 81585, 95085, 103537, 133119, 221865, 234543, 310611, 390905, 517685, 547267, 665595, 703629, 931833, 1172715, 1553055, 1641801, 2736335, 3518145, 3830869, 4659165, 4925403, 8209005, 11492607, 19154345, 24627015, 34477821, 57463035, 172389105]

約数ペア:

[(1, 172389105), (3, 57463035), (5, 34477821), (7, 24627015), (9, 19154345), (15, 11492607), (21, 8209005), (35, 4925403), (37, 4659165), (45, 3830869), (49, 3518145), (63, 2736335), (105, 1641801), (111, 1553055), (147, 1172715), (185, 931833), (245, 703629), (259, 665595), (315, 547267), (333, 517685), (441, 390905), (555, 310611), (735, 234543), (777, 221865), (1295, 133119), (1665, 103537), (1813, 95085), (2113, 81585), (2205, 78181), (2331, 73955), (3885, 44373), (5439, 31695), (6339, 27195), (9065, 19017), (10565, 16317), (11655, 14791)]