15863841

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{457}}^1$

素因数の和:518

約数の個数: 48

約数和(自身を含む): 28579200

約数和(自身を除く): 12715359

約数列:

[1, 3, 7, 9, 19, 21, 29, 57, 63, 87, 133, 171, 203, 261, 399, 457, 551, 609, 1197, 1371, 1653, 1827, 3199, 3857, 4113, 4959, 8683, 9597, 11571, 13253, 26049, 28791, 34713, 39759, 60781, 78147, 92771, 119277, 182343, 251807, 278313, 547029, 755421, 834939, 1762649, 2266263, 5287947, 15863841]

約数ペア:

[(1, 15863841), (3, 5287947), (7, 2266263), (9, 1762649), (19, 834939), (21, 755421), (29, 547029), (57, 278313), (63, 251807), (87, 182343), (133, 119277), (171, 92771), (203, 78147), (261, 60781), (399, 39759), (457, 34713), (551, 28791), (609, 26049), (1197, 13253), (1371, 11571), (1653, 9597), (1827, 8683), (3199, 4959), (3857, 4113)]