47149389

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{197}}^1$

素因数の和:370

約数の個数: 48

約数和(自身を含む): 81544320

約数和(自身を除く): 34394931

約数列:

[1, 3, 7, 9, 21, 29, 63, 87, 131, 197, 203, 261, 393, 591, 609, 917, 1179, 1379, 1773, 1827, 2751, 3799, 4137, 5713, 8253, 11397, 12411, 17139, 25807, 26593, 34191, 39991, 51417, 77421, 79779, 119973, 180649, 232263, 239337, 359919, 541947, 748403, 1625841, 2245209, 5238821, 6735627, 15716463, 47149389]

約数ペア:

[(1, 47149389), (3, 15716463), (7, 6735627), (9, 5238821), (21, 2245209), (29, 1625841), (63, 748403), (87, 541947), (131, 359919), (197, 239337), (203, 232263), (261, 180649), (393, 119973), (591, 79779), (609, 77421), (917, 51417), (1179, 39991), (1379, 34191), (1773, 26593), (1827, 25807), (2751, 17139), (3799, 12411), (4137, 11397), (5713, 8253)]