219162081

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1\times {\mathrm{307}}^1$

素因数の和:501

約数の個数: 32

約数和(自身を含む): 307980288

約数和(自身を除く): 88818207

約数列:

[1, 3, 47, 61, 83, 141, 183, 249, 307, 921, 2867, 3901, 5063, 8601, 11703, 14429, 15189, 18727, 25481, 43287, 56181, 76443, 237961, 713883, 880169, 1197607, 1554341, 2640507, 3592821, 4663023, 73054027, 219162081]

約数ペア:

[(1, 219162081), (3, 73054027), (47, 4663023), (61, 3592821), (83, 2640507), (141, 1554341), (183, 1197607), (249, 880169), (307, 713883), (921, 237961), (2867, 76443), (3901, 56181), (5063, 43287), (8601, 25481), (11703, 18727), (14429, 15189)]