28718235

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{7013}}^1$

素因数の和:7044

約数の個数: 48

約数和(自身を含む): 61274304

約数和(自身を除く): 32556069

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 35, 39, 45, 63, 65, 91, 105, 117, 195, 273, 315, 455, 585, 819, 1365, 4095, 7013, 21039, 35065, 49091, 63117, 91169, 105195, 147273, 245455, 273507, 315585, 441819, 455845, 638183, 736365, 820521, 1367535, 1914549, 2209095, 3190915, 4102605, 5743647, 9572745, 28718235]

約数ペア:

[(1, 28718235), (3, 9572745), (5, 5743647), (7, 4102605), (9, 3190915), (13, 2209095), (15, 1914549), (21, 1367535), (35, 820521), (39, 736365), (45, 638183), (63, 455845), (65, 441819), (91, 315585), (105, 273507), (117, 245455), (195, 147273), (273, 105195), (315, 91169), (455, 63117), (585, 49091), (819, 35065), (1365, 21039), (4095, 7013)]