16605525

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{271}}^1$

素因数の和:346

約数の個数: 48

約数和(自身を含む): 29680640

約数和(自身を除く): 13075115

約数列:

[1, 3, 5, 15, 19, 25, 43, 57, 75, 95, 129, 215, 271, 285, 475, 645, 813, 817, 1075, 1355, 1425, 2451, 3225, 4065, 4085, 5149, 6775, 11653, 12255, 15447, 20325, 20425, 25745, 34959, 58265, 61275, 77235, 128725, 174795, 221407, 291325, 386175, 664221, 873975, 1107035, 3321105, 5535175, 16605525]

約数ペア:

[(1, 16605525), (3, 5535175), (5, 3321105), (15, 1107035), (19, 873975), (25, 664221), (43, 386175), (57, 291325), (75, 221407), (95, 174795), (129, 128725), (215, 77235), (271, 61275), (285, 58265), (475, 34959), (645, 25745), (813, 20425), (817, 20325), (1075, 15447), (1355, 12255), (1425, 11653), (2451, 6775), (3225, 5149), (4065, 4085)]