3871791

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{151}}^1$

素因数の和:212

約数の個数: 48

約数和(自身を含む): 7208448

約数和(自身を除く): 3336657

約数列:

[1, 3, 7, 9, 11, 21, 33, 37, 63, 77, 99, 111, 151, 231, 259, 333, 407, 453, 693, 777, 1057, 1221, 1359, 1661, 2331, 2849, 3171, 3663, 4983, 5587, 8547, 9513, 11627, 14949, 16761, 25641, 34881, 39109, 50283, 61457, 104643, 117327, 184371, 351981, 430199, 553113, 1290597, 3871791]

約数ペア:

[(1, 3871791), (3, 1290597), (7, 553113), (9, 430199), (11, 351981), (21, 184371), (33, 117327), (37, 104643), (63, 61457), (77, 50283), (99, 39109), (111, 34881), (151, 25641), (231, 16761), (259, 14949), (333, 11627), (407, 9513), (453, 8547), (693, 5587), (777, 4983), (1057, 3663), (1221, 3171), (1359, 2849), (1661, 2331)]