205552305

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{1277}}^1$

素因数の和:1375

約数の個数: 72

約数和(自身を含む): 420467112

約数和(自身を除く): 214914807

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 63, 73, 105, 147, 219, 245, 315, 365, 441, 511, 657, 735, 1095, 1277, 1533, 2205, 2555, 3285, 3577, 3831, 4599, 6385, 7665, 8939, 10731, 11493, 17885, 19155, 22995, 26817, 32193, 44695, 53655, 57465, 62573, 80451, 93221, 134085, 160965, 187719, 279663, 312865, 402255, 466105, 563157, 652547, 838989, 938595, 1398315, 1957641, 2815785, 3262735, 4194945, 4567829, 5872923, 9788205, 13703487, 22839145, 29364615, 41110461, 68517435, 205552305]

約数ペア:

[(1, 205552305), (3, 68517435), (5, 41110461), (7, 29364615), (9, 22839145), (15, 13703487), (21, 9788205), (35, 5872923), (45, 4567829), (49, 4194945), (63, 3262735), (73, 2815785), (105, 1957641), (147, 1398315), (219, 938595), (245, 838989), (315, 652547), (365, 563157), (441, 466105), (511, 402255), (657, 312865), (735, 279663), (1095, 187719), (1277, 160965), (1533, 134085), (2205, 93221), (2555, 80451), (3285, 62573), (3577, 57465), (3831, 53655), (4599, 44695), (6385, 32193), (7665, 26817), (8939, 22995), (10731, 19155), (11493, 17885)]