61497891

素因数分解:

$3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{631}}^1$

素因数の和:681

約数の個数: 72

約数和(自身を含む): 118014624

約数和(自身を除く): 56516733

約数列:

[1, 3, 7, 9, 13, 17, 21, 39, 49, 51, 63, 91, 117, 119, 147, 153, 221, 273, 357, 441, 631, 637, 663, 819, 833, 1071, 1547, 1893, 1911, 1989, 2499, 4417, 4641, 5679, 5733, 7497, 8203, 10727, 10829, 13251, 13923, 24609, 30919, 32181, 32487, 39753, 57421, 73827, 75089, 92757, 96543, 97461, 139451, 172263, 225267, 278271, 401947, 418353, 516789, 525623, 675801, 976157, 1205841, 1255059, 1576869, 2928471, 3617523, 4730607, 6833099, 8785413, 20499297, 61497891]

約数ペア:

[(1, 61497891), (3, 20499297), (7, 8785413), (9, 6833099), (13, 4730607), (17, 3617523), (21, 2928471), (39, 1576869), (49, 1255059), (51, 1205841), (63, 976157), (91, 675801), (117, 525623), (119, 516789), (147, 418353), (153, 401947), (221, 278271), (273, 225267), (357, 172263), (441, 139451), (631, 97461), (637, 96543), (663, 92757), (819, 75089), (833, 73827), (1071, 57421), (1547, 39753), (1893, 32487), (1911, 32181), (1989, 30919), (2499, 24609), (4417, 13923), (4641, 13251), (5679, 10829), (5733, 10727), (7497, 8203)]