51421305

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{7127}}^1$

素因数の和:7185

約数の個数: 32

約数和(自身を含む): 91010304

約数和(自身を除く): 39588999

約数列:

[1, 3, 5, 13, 15, 37, 39, 65, 111, 185, 195, 481, 555, 1443, 2405, 7127, 7215, 21381, 35635, 92651, 106905, 263699, 277953, 463255, 791097, 1318495, 1389765, 3428087, 3955485, 10284261, 17140435, 51421305]

約数ペア:

[(1, 51421305), (3, 17140435), (5, 10284261), (13, 3955485), (15, 3428087), (37, 1389765), (39, 1318495), (65, 791097), (111, 463255), (185, 277953), (195, 263699), (481, 106905), (555, 92651), (1443, 35635), (2405, 21381), (7127, 7215)]