349745781

素因数分解:

$3^1\times 7^3\times {\mathrm{11}}^2\times {\mathrm{53}}^2$

素因数の和:152

約数の個数: 72

約数和(自身を含む): 609246400

約数和(自身を除く): 259500619

約数列:

[1, 3, 7, 11, 21, 33, 49, 53, 77, 121, 147, 159, 231, 343, 363, 371, 539, 583, 847, 1029, 1113, 1617, 1749, 2541, 2597, 2809, 3773, 4081, 5929, 6413, 7791, 8427, 11319, 12243, 17787, 18179, 19239, 19663, 28567, 30899, 41503, 44891, 54537, 58989, 85701, 92697, 124509, 134673, 137641, 199969, 216293, 314237, 339889, 412923, 599907, 648879, 942711, 963487, 1019667, 1514051, 2199659, 2379223, 2890461, 4542153, 6598977, 7137669, 10598357, 16654561, 31795071, 49963683, 116581927, 349745781]

約数ペア:

[(1, 349745781), (3, 116581927), (7, 49963683), (11, 31795071), (21, 16654561), (33, 10598357), (49, 7137669), (53, 6598977), (77, 4542153), (121, 2890461), (147, 2379223), (159, 2199659), (231, 1514051), (343, 1019667), (363, 963487), (371, 942711), (539, 648879), (583, 599907), (847, 412923), (1029, 339889), (1113, 314237), (1617, 216293), (1749, 199969), (2541, 137641), (2597, 134673), (2809, 124509), (3773, 92697), (4081, 85701), (5929, 58989), (6413, 54537), (7791, 44891), (8427, 41503), (11319, 30899), (12243, 28567), (17787, 19663), (18179, 19239)]