399296235

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{18121}}^1$

素因数の和:18255

約数の個数: 32

約数和(自身を含む): 694145088

約数和(自身を除く): 294848853

約数列:

[1, 3, 5, 13, 15, 39, 65, 113, 195, 339, 565, 1469, 1695, 4407, 7345, 18121, 22035, 54363, 90605, 235573, 271815, 706719, 1177865, 2047673, 3533595, 6143019, 10238365, 26619749, 30715095, 79859247, 133098745, 399296235]

約数ペア:

[(1, 399296235), (3, 133098745), (5, 79859247), (13, 30715095), (15, 26619749), (39, 10238365), (65, 6143019), (113, 3533595), (195, 2047673), (339, 1177865), (565, 706719), (1469, 271815), (1695, 235573), (4407, 90605), (7345, 54363), (18121, 22035)]