28742385

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{331}}^1\times {\mathrm{827}}^1$

素因数の和:1173

約数の個数: 32

約数和(自身を含む): 52780032

約数和(自身を除く): 24037647

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 331, 827, 993, 1655, 2317, 2481, 4135, 4965, 5789, 6951, 11585, 12405, 17367, 28945, 34755, 86835, 273737, 821211, 1368685, 1916159, 4106055, 5748477, 9580795, 28742385]

約数ペア:

[(1, 28742385), (3, 9580795), (5, 5748477), (7, 4106055), (15, 1916159), (21, 1368685), (35, 821211), (105, 273737), (331, 86835), (827, 34755), (993, 28945), (1655, 17367), (2317, 12405), (2481, 11585), (4135, 6951), (4965, 5789)]