27684891

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{449}}^1$

素因数の和:516

約数の個数: 48

約数和(自身を含む): 47174400

約数和(自身を除く): 19489509

約数列:

[1, 3, 9, 13, 17, 31, 39, 51, 93, 117, 153, 221, 279, 403, 449, 527, 663, 1209, 1347, 1581, 1989, 3627, 4041, 4743, 5837, 6851, 7633, 13919, 17511, 20553, 22899, 41757, 52533, 61659, 68697, 99229, 125271, 180947, 236623, 297687, 542841, 709869, 893061, 1628523, 2129607, 3076099, 9228297, 27684891]

約数ペア:

[(1, 27684891), (3, 9228297), (9, 3076099), (13, 2129607), (17, 1628523), (31, 893061), (39, 709869), (51, 542841), (93, 297687), (117, 236623), (153, 180947), (221, 125271), (279, 99229), (403, 68697), (449, 61659), (527, 52533), (663, 41757), (1209, 22899), (1347, 20553), (1581, 17511), (1989, 13919), (3627, 7633), (4041, 6851), (4743, 5837)]