31122795

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{139}}^1$

素因数の和:240

約数の個数: 64

約数和(自身を含む): 58060800

約数和(自身を除く): 26938005

約数列:

[1, 3, 5, 11, 15, 23, 33, 55, 59, 69, 115, 139, 165, 177, 253, 295, 345, 417, 649, 695, 759, 885, 1265, 1357, 1529, 1947, 2085, 3197, 3245, 3795, 4071, 4587, 6785, 7645, 8201, 9591, 9735, 14927, 15985, 20355, 22935, 24603, 35167, 41005, 44781, 47955, 74635, 90211, 105501, 123015, 175835, 188623, 223905, 270633, 451055, 527505, 565869, 943115, 1353165, 2074853, 2829345, 6224559, 10374265, 31122795]

約数ペア:

[(1, 31122795), (3, 10374265), (5, 6224559), (11, 2829345), (15, 2074853), (23, 1353165), (33, 943115), (55, 565869), (59, 527505), (69, 451055), (115, 270633), (139, 223905), (165, 188623), (177, 175835), (253, 123015), (295, 105501), (345, 90211), (417, 74635), (649, 47955), (695, 44781), (759, 41005), (885, 35167), (1265, 24603), (1357, 22935), (1529, 20355), (1947, 15985), (2085, 14927), (3197, 9735), (3245, 9591), (3795, 8201), (4071, 7645), (4587, 6785)]