720373311

素因数分解:

$3^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{131431}}^1$

素因数の和:131476

約数の個数: 32

約数和(自身を含む): 1261747200

約数和(自身を除く): 541373889

約数列:

[1, 3, 7, 9, 21, 27, 29, 63, 87, 189, 203, 261, 609, 783, 1827, 5481, 131431, 394293, 920017, 1182879, 2760051, 3548637, 3811499, 8280153, 11434497, 24840459, 26680493, 34303491, 80041479, 102910473, 240124437, 720373311]

約数ペア:

[(1, 720373311), (3, 240124437), (7, 102910473), (9, 80041479), (21, 34303491), (27, 26680493), (29, 24840459), (63, 11434497), (87, 8280153), (189, 3811499), (203, 3548637), (261, 2760051), (609, 1182879), (783, 920017), (1827, 394293), (5481, 131431)]