215828145

素因数分解:

$3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{40993}}^1$

素因数の和:41023

約数の個数: 40

約数和(自身を含む): 416663016

約数和(自身を除く): 200834871

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 81, 117, 135, 195, 351, 405, 585, 1053, 1755, 5265, 40993, 122979, 204965, 368937, 532909, 614895, 1106811, 1598727, 1844685, 2664545, 3320433, 4796181, 5534055, 7993635, 14388543, 16602165, 23980905, 43165629, 71942715, 215828145]

約数ペア:

[(1, 215828145), (3, 71942715), (5, 43165629), (9, 23980905), (13, 16602165), (15, 14388543), (27, 7993635), (39, 5534055), (45, 4796181), (65, 3320433), (81, 2664545), (117, 1844685), (135, 1598727), (195, 1106811), (351, 614895), (405, 532909), (585, 368937), (1053, 204965), (1755, 122979), (5265, 40993)]