27907551

素因数分解:

$3^3\times 7^1\times {\mathrm{149}}^1\times {\mathrm{991}}^1$

素因数の和:1156

約数の個数: 32

約数和(自身を含む): 47616000

約数和(自身を除く): 19708449

約数列:

[1, 3, 7, 9, 21, 27, 63, 149, 189, 447, 991, 1043, 1341, 2973, 3129, 4023, 6937, 8919, 9387, 20811, 26757, 28161, 62433, 147659, 187299, 442977, 1033613, 1328931, 3100839, 3986793, 9302517, 27907551]

約数ペア:

[(1, 27907551), (3, 9302517), (7, 3986793), (9, 3100839), (21, 1328931), (27, 1033613), (63, 442977), (149, 187299), (189, 147659), (447, 62433), (991, 28161), (1043, 26757), (1341, 20811), (2973, 9387), (3129, 8919), (4023, 6937)]