31051713

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{229}}^1\times {\mathrm{587}}^1$

素因数の和:837

約数の個数: 32

約数和(自身を含む): 51932160

約数和(自身を除く): 20880447

約数列:

[1, 3, 7, 11, 21, 33, 77, 229, 231, 587, 687, 1603, 1761, 2519, 4109, 4809, 6457, 7557, 12327, 17633, 19371, 45199, 52899, 134423, 135597, 403269, 940961, 1478653, 2822883, 4435959, 10350571, 31051713]

約数ペア:

[(1, 31051713), (3, 10350571), (7, 4435959), (11, 2822883), (21, 1478653), (33, 940961), (77, 403269), (229, 135597), (231, 134423), (587, 52899), (687, 45199), (1603, 19371), (1761, 17633), (2519, 12327), (4109, 7557), (4809, 6457)]