28413225

素因数分解:

$3^2\times 5^2\times {\mathrm{37}}^1\times {\mathrm{3413}}^1$

素因数の和:3466

約数の個数: 36

約数和(自身を含む): 52281996

約数和(自身を除く): 23868771

約数列:

[1, 3, 5, 9, 15, 25, 37, 45, 75, 111, 185, 225, 333, 555, 925, 1665, 2775, 3413, 8325, 10239, 17065, 30717, 51195, 85325, 126281, 153585, 255975, 378843, 631405, 767925, 1136529, 1894215, 3157025, 5682645, 9471075, 28413225]

約数ペア:

[(1, 28413225), (3, 9471075), (5, 5682645), (9, 3157025), (15, 1894215), (25, 1136529), (37, 767925), (45, 631405), (75, 378843), (111, 255975), (185, 153585), (225, 126281), (333, 85325), (555, 51195), (925, 30717), (1665, 17065), (2775, 10239), (3413, 8325)]