12638895

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{727}}^1$

素因数の和:815

約数の個数: 32

約数和(自身を含む): 21665280

約数和(自身を除く): 9026385

約数列:

[1, 3, 5, 15, 19, 57, 61, 95, 183, 285, 305, 727, 915, 1159, 2181, 3477, 3635, 5795, 10905, 13813, 17385, 41439, 44347, 69065, 133041, 207195, 221735, 665205, 842593, 2527779, 4212965, 12638895]

約数ペア:

[(1, 12638895), (3, 4212965), (5, 2527779), (15, 842593), (19, 665205), (57, 221735), (61, 207195), (95, 133041), (183, 69065), (285, 44347), (305, 41439), (727, 17385), (915, 13813), (1159, 10905), (2181, 5795), (3477, 3635)]