1187790909

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{521}}^1$

素因数の和:650

約数の個数: 64

約数和(自身を含む): 1828085760

約数和(自身を除く): 640294851

約数列:

[1, 3, 19, 23, 37, 47, 57, 69, 111, 141, 437, 521, 703, 851, 893, 1081, 1311, 1563, 1739, 2109, 2553, 2679, 3243, 5217, 9899, 11983, 16169, 19277, 20539, 24487, 29697, 33041, 35949, 39997, 48507, 57831, 61617, 73461, 99123, 119991, 227677, 366263, 443371, 465253, 563201, 683031, 759943, 906019, 1098789, 1330113, 1395759, 1689603, 2279829, 2718057, 8424049, 10700819, 17214361, 20838437, 25272147, 32102457, 51643083, 62515311, 395930303, 1187790909]

約数ペア:

[(1, 1187790909), (3, 395930303), (19, 62515311), (23, 51643083), (37, 32102457), (47, 25272147), (57, 20838437), (69, 17214361), (111, 10700819), (141, 8424049), (437, 2718057), (521, 2279829), (703, 1689603), (851, 1395759), (893, 1330113), (1081, 1098789), (1311, 906019), (1563, 759943), (1739, 683031), (2109, 563201), (2553, 465253), (2679, 443371), (3243, 366263), (5217, 227677), (9899, 119991), (11983, 99123), (16169, 73461), (19277, 61617), (20539, 57831), (24487, 48507), (29697, 39997), (33041, 35949)]