68025015

素因数分解:

$3^4\times 5^1\times {\mathrm{101}}^1\times {\mathrm{1663}}^1$

素因数の和:1781

約数の個数: 40

約数和(自身を含む): 123222528

約数和(自身を除く): 55197513

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 101, 135, 303, 405, 505, 909, 1515, 1663, 2727, 4545, 4989, 8181, 8315, 13635, 14967, 24945, 40905, 44901, 74835, 134703, 167963, 224505, 503889, 673515, 839815, 1511667, 2519445, 4535001, 7558335, 13605003, 22675005, 68025015]

約数ペア:

[(1, 68025015), (3, 22675005), (5, 13605003), (9, 7558335), (15, 4535001), (27, 2519445), (45, 1511667), (81, 839815), (101, 673515), (135, 503889), (303, 224505), (405, 167963), (505, 134703), (909, 74835), (1515, 44901), (1663, 40905), (2727, 24945), (4545, 14967), (4989, 13635), (8181, 8315)]