128313225

素因数分解:

$3^2\times 5^2\times {\mathrm{37}}^1\times {\mathrm{15413}}^1$

素因数の和:15466

約数の個数: 36

約数和(自身を含む): 236049996

約数和(自身を除く): 107736771

約数列:

[1, 3, 5, 9, 15, 25, 37, 45, 75, 111, 185, 225, 333, 555, 925, 1665, 2775, 8325, 15413, 46239, 77065, 138717, 231195, 385325, 570281, 693585, 1155975, 1710843, 2851405, 3467925, 5132529, 8554215, 14257025, 25662645, 42771075, 128313225]

約数ペア:

[(1, 128313225), (3, 42771075), (5, 25662645), (9, 14257025), (15, 8554215), (25, 5132529), (37, 3467925), (45, 2851405), (75, 1710843), (111, 1155975), (185, 693585), (225, 570281), (333, 385325), (555, 231195), (925, 138717), (1665, 77065), (2775, 46239), (8325, 15413)]