30984807

素因数分解:

$3^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1$

素因数の和:208

約数の個数: 48

約数和(自身を含む): 50676192

約数和(自身を除く): 19691385

約数列:

[1, 3, 7, 21, 41, 49, 53, 97, 123, 147, 159, 287, 291, 371, 679, 861, 1113, 2009, 2037, 2173, 2597, 3977, 4753, 5141, 6027, 6519, 7791, 11931, 14259, 15211, 15423, 27839, 35987, 45633, 83517, 106477, 107961, 194873, 210781, 251909, 319431, 584619, 632343, 755727, 1475467, 4426401, 10328269, 30984807]

約数ペア:

[(1, 30984807), (3, 10328269), (7, 4426401), (21, 1475467), (41, 755727), (49, 632343), (53, 584619), (97, 319431), (123, 251909), (147, 210781), (159, 194873), (287, 107961), (291, 106477), (371, 83517), (679, 45633), (861, 35987), (1113, 27839), (2009, 15423), (2037, 15211), (2173, 14259), (2597, 11931), (3977, 7791), (4753, 6519), (5141, 6027)]