201580071

素因数分解:

$3^1\times 7^3\times {\mathrm{11}}^2\times {\mathrm{1619}}^1$

素因数の和:1665

約数の個数: 48

約数和(自身を含む): 344736000

約数和(自身を除く): 143155929

約数列:

[1, 3, 7, 11, 21, 33, 49, 77, 121, 147, 231, 343, 363, 539, 847, 1029, 1617, 1619, 2541, 3773, 4857, 5929, 11319, 11333, 17787, 17809, 33999, 41503, 53427, 79331, 124509, 124663, 195899, 237993, 373989, 555317, 587697, 872641, 1371293, 1665951, 2617923, 4113879, 6108487, 9599051, 18325461, 28797153, 67193357, 201580071]

約数ペア:

[(1, 201580071), (3, 67193357), (7, 28797153), (11, 18325461), (21, 9599051), (33, 6108487), (49, 4113879), (77, 2617923), (121, 1665951), (147, 1371293), (231, 872641), (343, 587697), (363, 555317), (539, 373989), (847, 237993), (1029, 195899), (1617, 124663), (1619, 124509), (2541, 79331), (3773, 53427), (4857, 41503), (5929, 33999), (11319, 17809), (11333, 17787)]