16227555

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{181}}^1$

素因数の和:371

約数の個数: 32

約数和(自身を含む): 26906880

約数和(自身を除く): 10679325

約数列:

[1, 3, 5, 15, 43, 129, 139, 181, 215, 417, 543, 645, 695, 905, 2085, 2715, 5977, 7783, 17931, 23349, 25159, 29885, 38915, 75477, 89655, 116745, 125795, 377385, 1081837, 3245511, 5409185, 16227555]

約数ペア:

[(1, 16227555), (3, 5409185), (5, 3245511), (15, 1081837), (43, 377385), (129, 125795), (139, 116745), (181, 89655), (215, 75477), (417, 38915), (543, 29885), (645, 25159), (695, 23349), (905, 17931), (2085, 7783), (2715, 5977)]