289657683

素因数分解:

$3^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{163}}^1\times {\mathrm{421}}^1$

素因数の和:664

約数の個数: 48

約数和(自身を含む): 489438976

約数和(自身を除く): 199781293

約数列:

[1, 3, 7, 9, 21, 63, 67, 163, 201, 421, 469, 489, 603, 1141, 1263, 1407, 1467, 2947, 3423, 3789, 4221, 8841, 10269, 10921, 26523, 28207, 32763, 68623, 76447, 84621, 98289, 197449, 205869, 229341, 253863, 480361, 592347, 617607, 688023, 1441083, 1777041, 4323249, 4597741, 13793223, 32184187, 41379669, 96552561, 289657683]

約数ペア:

[(1, 289657683), (3, 96552561), (7, 41379669), (9, 32184187), (21, 13793223), (63, 4597741), (67, 4323249), (163, 1777041), (201, 1441083), (421, 688023), (469, 617607), (489, 592347), (603, 480361), (1141, 253863), (1263, 229341), (1407, 205869), (1467, 197449), (2947, 98289), (3423, 84621), (3789, 76447), (4221, 68623), (8841, 32763), (10269, 28207), (10921, 26523)]