81338355

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{1733}}^1$

素因数の和:1900

約数の個数: 48

約数和(自身を含む): 162302400

約数和(自身を除く): 80964045

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 149, 315, 447, 745, 1043, 1341, 1733, 2235, 3129, 5199, 5215, 6705, 8665, 9387, 12131, 15597, 15645, 25995, 36393, 46935, 60655, 77985, 109179, 181965, 258217, 545895, 774651, 1291085, 1807519, 2323953, 3873255, 5422557, 9037595, 11619765, 16267671, 27112785, 81338355]

約数ペア:

[(1, 81338355), (3, 27112785), (5, 16267671), (7, 11619765), (9, 9037595), (15, 5422557), (21, 3873255), (35, 2323953), (45, 1807519), (63, 1291085), (105, 774651), (149, 545895), (315, 258217), (447, 181965), (745, 109179), (1043, 77985), (1341, 60655), (1733, 46935), (2235, 36393), (3129, 25995), (5199, 15645), (5215, 15597), (6705, 12131), (8665, 9387)]