2890215

素因数分解:

$3^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{271}}^1$

素因数の和:364

約数の個数: 32

約数和(自身を含む): 5222400

約数和(自身を除く): 2332185

約数列:

[1, 3, 5, 9, 15, 27, 45, 79, 135, 237, 271, 395, 711, 813, 1185, 1355, 2133, 2439, 3555, 4065, 7317, 10665, 12195, 21409, 36585, 64227, 107045, 192681, 321135, 578043, 963405, 2890215]

約数ペア:

[(1, 2890215), (3, 963405), (5, 578043), (9, 321135), (15, 192681), (27, 107045), (45, 64227), (79, 36585), (135, 21409), (237, 12195), (271, 10665), (395, 7317), (711, 4065), (813, 3555), (1185, 2439), (1355, 2133)]