47520015

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{331}}^1\times {\mathrm{563}}^1$

素因数の和:919

約数の個数: 32

約数和(自身を含む): 80891136

約数和(自身を除く): 33371121

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 331, 563, 993, 1655, 1689, 2815, 4965, 5627, 8445, 9571, 16881, 28135, 28713, 47855, 84405, 143565, 186353, 559059, 931765, 2795295, 3168001, 9504003, 15840005, 47520015]

約数ペア:

[(1, 47520015), (3, 15840005), (5, 9504003), (15, 3168001), (17, 2795295), (51, 931765), (85, 559059), (255, 186353), (331, 143565), (563, 84405), (993, 47855), (1655, 28713), (1689, 28135), (2815, 16881), (4965, 9571), (5627, 8445)]