720295983

素因数分解:

$3^5\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{7283}}^1$

素因数の和:7346

約数の個数: 48

約数和(自身を含む): 1209027456

約数和(自身を除く): 488731473

約数列:

[1, 3, 9, 11, 27, 33, 37, 81, 99, 111, 243, 297, 333, 407, 891, 999, 1221, 2673, 2997, 3663, 7283, 8991, 10989, 21849, 32967, 65547, 80113, 98901, 196641, 240339, 269471, 589923, 721017, 808413, 1769769, 2163051, 2425239, 2964181, 6489153, 7275717, 8892543, 19467459, 21827151, 26677629, 65481453, 80032887, 240098661, 720295983]

約数ペア:

[(1, 720295983), (3, 240098661), (9, 80032887), (11, 65481453), (27, 26677629), (33, 21827151), (37, 19467459), (81, 8892543), (99, 7275717), (111, 6489153), (243, 2964181), (297, 2425239), (333, 2163051), (407, 1769769), (891, 808413), (999, 721017), (1221, 589923), (2673, 269471), (2997, 240339), (3663, 196641), (7283, 98901), (8991, 80113), (10989, 65547), (21849, 32967)]