291238857

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{15461}}^1$

素因数の和:15510

約数の個数: 48

約数和(自身を含む): 540304128

約数和(自身を除く): 249065271

約数列:

[1, 3, 7, 9, 13, 21, 23, 39, 63, 69, 91, 117, 161, 207, 273, 299, 483, 819, 897, 1449, 2093, 2691, 6279, 15461, 18837, 46383, 108227, 139149, 200993, 324681, 355603, 602979, 974043, 1066809, 1406951, 1808937, 2489221, 3200427, 4220853, 4622839, 7467663, 12662559, 13868517, 22402989, 32359873, 41605551, 97079619, 291238857]

約数ペア:

[(1, 291238857), (3, 97079619), (7, 41605551), (9, 32359873), (13, 22402989), (21, 13868517), (23, 12662559), (39, 7467663), (63, 4622839), (69, 4220853), (91, 3200427), (117, 2489221), (161, 1808937), (207, 1406951), (273, 1066809), (299, 974043), (483, 602979), (819, 355603), (897, 324681), (1449, 200993), (2093, 139149), (2691, 108227), (6279, 46383), (15461, 18837)]