1728520641

素因数分解:

$3^4\times {\mathrm{53}}^1\times {\mathrm{167}}^1\times {\mathrm{2411}}^1$

素因数の和:2643

約数の個数: 40

約数和(自身を含む): 2647681344

約数和(自身を除く): 919160703

約数列:

[1, 3, 9, 27, 53, 81, 159, 167, 477, 501, 1431, 1503, 2411, 4293, 4509, 7233, 8851, 13527, 21699, 26553, 65097, 79659, 127783, 195291, 238977, 383349, 402637, 716931, 1150047, 1207911, 3450141, 3623733, 10350423, 10871199, 21339761, 32613597, 64019283, 192057849, 576173547, 1728520641]

約数ペア:

[(1, 1728520641), (3, 576173547), (9, 192057849), (27, 64019283), (53, 32613597), (81, 21339761), (159, 10871199), (167, 10350423), (477, 3623733), (501, 3450141), (1431, 1207911), (1503, 1150047), (2411, 716931), (4293, 402637), (4509, 383349), (7233, 238977), (8851, 195291), (13527, 127783), (21699, 79659), (26553, 65097)]