203990157

素因数分解:

$3^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{21163}}^1$

素因数の和:21199

約数の個数: 40

約数和(自身を含む): 368761536

約数和(自身を除く): 164771379

約数列:

[1, 3, 7, 9, 17, 21, 27, 51, 63, 81, 119, 153, 189, 357, 459, 567, 1071, 1377, 3213, 9639, 21163, 63489, 148141, 190467, 359771, 444423, 571401, 1079313, 1333269, 1714203, 2518397, 3237939, 3999807, 7555191, 9713817, 11999421, 22665573, 29141451, 67996719, 203990157]

約数ペア:

[(1, 203990157), (3, 67996719), (7, 29141451), (9, 22665573), (17, 11999421), (21, 9713817), (27, 7555191), (51, 3999807), (63, 3237939), (81, 2518397), (119, 1714203), (153, 1333269), (189, 1079313), (357, 571401), (459, 444423), (567, 359771), (1071, 190467), (1377, 148141), (3213, 63489), (9639, 21163)]