16777761

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{151}}^1$

素因数の和:222

約数の個数: 64

約数和(自身を含む): 31051776

約数和(自身を除く): 14274015

約数列:

[1, 3, 7, 11, 13, 21, 33, 37, 39, 77, 91, 111, 143, 151, 231, 259, 273, 407, 429, 453, 481, 777, 1001, 1057, 1221, 1443, 1661, 1963, 2849, 3003, 3171, 3367, 4983, 5291, 5587, 5889, 8547, 10101, 11627, 13741, 15873, 16761, 21593, 34881, 37037, 39109, 41223, 61457, 64779, 72631, 111111, 117327, 151151, 184371, 217893, 430199, 453453, 508417, 798941, 1290597, 1525251, 2396823, 5592587, 16777761]

約数ペア:

[(1, 16777761), (3, 5592587), (7, 2396823), (11, 1525251), (13, 1290597), (21, 798941), (33, 508417), (37, 453453), (39, 430199), (77, 217893), (91, 184371), (111, 151151), (143, 117327), (151, 111111), (231, 72631), (259, 64779), (273, 61457), (407, 41223), (429, 39109), (453, 37037), (481, 34881), (777, 21593), (1001, 16761), (1057, 15873), (1221, 13741), (1443, 11627), (1661, 10101), (1963, 8547), (2849, 5889), (3003, 5587), (3171, 5291), (3367, 4983)]