13538889

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{271}}^1$

素因数の和:358

約数の個数: 48

約数和(自身を含む): 24553984

約数和(自身を除く): 11015095

約数列:

[1, 3, 7, 9, 13, 21, 39, 61, 63, 91, 117, 183, 271, 273, 427, 549, 793, 813, 819, 1281, 1897, 2379, 2439, 3523, 3843, 5551, 5691, 7137, 10569, 16531, 16653, 17073, 24661, 31707, 49593, 49959, 73983, 115717, 148779, 214903, 221949, 347151, 644709, 1041453, 1504321, 1934127, 4512963, 13538889]

約数ペア:

[(1, 13538889), (3, 4512963), (7, 1934127), (9, 1504321), (13, 1041453), (21, 644709), (39, 347151), (61, 221949), (63, 214903), (91, 148779), (117, 115717), (183, 73983), (271, 49959), (273, 49593), (427, 31707), (549, 24661), (793, 17073), (813, 16653), (819, 16531), (1281, 10569), (1897, 7137), (2379, 5691), (2439, 5551), (3523, 3843)]