180098721

素因数分解:

$3^6\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{607}}^1$

素因数の和:673

約数の個数: 56

約数和(自身を含む): 303032064

約数和(自身を除く): 122933343

約数列:

[1, 3, 9, 11, 27, 33, 37, 81, 99, 111, 243, 297, 333, 407, 607, 729, 891, 999, 1221, 1821, 2673, 2997, 3663, 5463, 6677, 8019, 8991, 10989, 16389, 20031, 22459, 26973, 32967, 49167, 60093, 67377, 98901, 147501, 180279, 202131, 247049, 296703, 442503, 540837, 606393, 741147, 1622511, 1819179, 2223441, 4867533, 5457537, 6670323, 16372611, 20010969, 60032907, 180098721]

約数ペア:

[(1, 180098721), (3, 60032907), (9, 20010969), (11, 16372611), (27, 6670323), (33, 5457537), (37, 4867533), (81, 2223441), (99, 1819179), (111, 1622511), (243, 741147), (297, 606393), (333, 540837), (407, 442503), (607, 296703), (729, 247049), (891, 202131), (999, 180279), (1221, 147501), (1821, 98901), (2673, 67377), (2997, 60093), (3663, 49167), (5463, 32967), (6677, 26973), (8019, 22459), (8991, 20031), (10989, 16389)]