2393937

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1$

素因数の和:142

約数の個数: 48

約数和(自身を含む): 4426240

約数和(自身を除く): 2032303

約数列:

[1, 3, 7, 9, 13, 21, 37, 39, 63, 79, 91, 111, 117, 237, 259, 273, 333, 481, 553, 711, 777, 819, 1027, 1443, 1659, 2331, 2923, 3081, 3367, 4329, 4977, 7189, 8769, 9243, 10101, 20461, 21567, 26307, 30303, 37999, 61383, 64701, 113997, 184149, 265993, 341991, 797979, 2393937]

約数ペア:

[(1, 2393937), (3, 797979), (7, 341991), (9, 265993), (13, 184149), (21, 113997), (37, 64701), (39, 61383), (63, 37999), (79, 30303), (91, 26307), (111, 21567), (117, 20461), (237, 10101), (259, 9243), (273, 8769), (333, 7189), (481, 4977), (553, 4329), (711, 3367), (777, 3081), (819, 2923), (1027, 2331), (1443, 1659)]