290480841

素因数分解:

$3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1\times {\mathrm{577}}^1$

素因数の和:782

約数の個数: 48

約数和(自身を含む): 491956608

約数和(自身を除く): 201475767

約数列:

[1, 3, 7, 9, 21, 61, 63, 131, 183, 393, 427, 549, 577, 917, 1179, 1281, 1731, 2751, 3843, 4039, 5193, 7991, 8253, 12117, 23973, 35197, 36351, 55937, 71919, 75587, 105591, 167811, 226761, 246379, 316773, 503433, 529109, 680283, 739137, 1587327, 2217411, 4610807, 4761981, 13832421, 32275649, 41497263, 96826947, 290480841]

約数ペア:

[(1, 290480841), (3, 96826947), (7, 41497263), (9, 32275649), (21, 13832421), (61, 4761981), (63, 4610807), (131, 2217411), (183, 1587327), (393, 739137), (427, 680283), (549, 529109), (577, 503433), (917, 316773), (1179, 246379), (1281, 226761), (1731, 167811), (2751, 105591), (3843, 75587), (4039, 71919), (5193, 55937), (7991, 36351), (8253, 35197), (12117, 23973)]