12910785

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{509}}^1$

素因数の和:625

約数の個数: 32

約数和(自身を含む): 22032000

約数和(自身を除く): 9121215

約数列:

[1, 3, 5, 15, 19, 57, 89, 95, 267, 285, 445, 509, 1335, 1527, 1691, 2545, 5073, 7635, 8455, 9671, 25365, 29013, 45301, 48355, 135903, 145065, 226505, 679515, 860719, 2582157, 4303595, 12910785]

約数ペア:

[(1, 12910785), (3, 4303595), (5, 2582157), (15, 860719), (19, 679515), (57, 226505), (89, 145065), (95, 135903), (267, 48355), (285, 45301), (445, 29013), (509, 25365), (1335, 9671), (1527, 8455), (1691, 7635), (2545, 5073)]