28613715

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{7723}}^1$

素因数の和:7763

約数の個数: 32

約数和(自身を含む): 51905280

約数和(自身を除く): 23291565

約数列:

[1, 3, 5, 13, 15, 19, 39, 57, 65, 95, 195, 247, 285, 741, 1235, 3705, 7723, 23169, 38615, 100399, 115845, 146737, 301197, 440211, 501995, 733685, 1505985, 1907581, 2201055, 5722743, 9537905, 28613715]

約数ペア:

[(1, 28613715), (3, 9537905), (5, 5722743), (13, 2201055), (15, 1907581), (19, 1505985), (39, 733685), (57, 501995), (65, 440211), (95, 301197), (195, 146737), (247, 115845), (285, 100399), (741, 38615), (1235, 23169), (3705, 7723)]