40215987

素因数分解:

$3^3\times 7^1\times {\mathrm{389}}^1\times {\mathrm{547}}^1$

素因数の和:952

約数の個数: 32

約数和(自身を含む): 68390400

約数和(自身を除く): 28174413

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 389, 547, 1167, 1641, 2723, 3501, 3829, 4923, 8169, 10503, 11487, 14769, 24507, 34461, 73521, 103383, 212783, 638349, 1489481, 1915047, 4468443, 5745141, 13405329, 40215987]

約数ペア:

[(1, 40215987), (3, 13405329), (7, 5745141), (9, 4468443), (21, 1915047), (27, 1489481), (63, 638349), (189, 212783), (389, 103383), (547, 73521), (1167, 34461), (1641, 24507), (2723, 14769), (3501, 11487), (3829, 10503), (4923, 8169)]