57721455

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{4021}}^1$

素因数の和:4072

約数の個数: 48

約数和(自身を含む): 112937760

約数和(自身を除く): 55216305

約数列:

[1, 3, 5, 9, 11, 15, 29, 33, 45, 55, 87, 99, 145, 165, 261, 319, 435, 495, 957, 1305, 1595, 2871, 4021, 4785, 12063, 14355, 20105, 36189, 44231, 60315, 116609, 132693, 180945, 221155, 349827, 398079, 583045, 663465, 1049481, 1282699, 1749135, 1990395, 3848097, 5247405, 6413495, 11544291, 19240485, 57721455]

約数ペア:

[(1, 57721455), (3, 19240485), (5, 11544291), (9, 6413495), (11, 5247405), (15, 3848097), (29, 1990395), (33, 1749135), (45, 1282699), (55, 1049481), (87, 663465), (99, 583045), (145, 398079), (165, 349827), (261, 221155), (319, 180945), (435, 132693), (495, 116609), (957, 60315), (1305, 44231), (1595, 36189), (2871, 20105), (4021, 14355), (4785, 12063)]