289443321

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{73}}^1\times {\mathrm{131}}^1$

素因数の和:291

約数の個数: 64

約数和(自身を含む): 468864000

約数和(自身を除く): 179420679

約数列:

[1, 3, 9, 19, 27, 57, 59, 73, 131, 171, 177, 219, 393, 513, 531, 657, 1121, 1179, 1387, 1593, 1971, 2489, 3363, 3537, 4161, 4307, 7467, 7729, 9563, 10089, 12483, 12921, 22401, 23187, 28689, 30267, 37449, 38763, 67203, 69561, 81833, 86067, 116289, 146851, 181697, 208683, 245499, 258201, 440553, 545091, 564217, 736497, 1321659, 1635273, 1692651, 2209491, 3964977, 4905819, 5077953, 10720123, 15233859, 32160369, 96481107, 289443321]

約数ペア:

[(1, 289443321), (3, 96481107), (9, 32160369), (19, 15233859), (27, 10720123), (57, 5077953), (59, 4905819), (73, 3964977), (131, 2209491), (171, 1692651), (177, 1635273), (219, 1321659), (393, 736497), (513, 564217), (531, 545091), (657, 440553), (1121, 258201), (1179, 245499), (1387, 208683), (1593, 181697), (1971, 146851), (2489, 116289), (3363, 86067), (3537, 81833), (4161, 69561), (4307, 67203), (7467, 38763), (7729, 37449), (9563, 30267), (10089, 28689), (12483, 23187), (12921, 22401)]