649654317

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{63823}}^1$

素因数の和:63874

約数の個数: 32

約数和(自身を含む): 1072243200

約数和(自身を除く): 422588883

約数列:

[1, 3, 9, 13, 27, 29, 39, 87, 117, 261, 351, 377, 783, 1131, 3393, 10179, 63823, 191469, 574407, 829699, 1723221, 1850867, 2489097, 5552601, 7467291, 16657803, 22401873, 24061271, 49973409, 72183813, 216551439, 649654317]

約数ペア:

[(1, 649654317), (3, 216551439), (9, 72183813), (13, 49973409), (27, 24061271), (29, 22401873), (39, 16657803), (87, 7467291), (117, 5552601), (261, 2489097), (351, 1850867), (377, 1723221), (783, 829699), (1131, 574407), (3393, 191469), (10179, 63823)]