254331387

素因数分解:

$3^3\times {\mathrm{61}}^1\times {\mathrm{307}}^1\times {\mathrm{503}}^1$

素因数の和:880

約数の個数: 32

約数和(自身を含む): 384975360

約数和(自身を除く): 130643973

約数列:

[1, 3, 9, 27, 61, 183, 307, 503, 549, 921, 1509, 1647, 2763, 4527, 8289, 13581, 18727, 30683, 56181, 92049, 154421, 168543, 276147, 463263, 505629, 828441, 1389789, 4169367, 9419681, 28259043, 84777129, 254331387]

約数ペア:

[(1, 254331387), (3, 84777129), (9, 28259043), (27, 9419681), (61, 4169367), (183, 1389789), (307, 828441), (503, 505629), (549, 463263), (921, 276147), (1509, 168543), (1647, 154421), (2763, 92049), (4527, 56181), (8289, 30683), (13581, 18727)]