7318857

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1$

素因数の和:142

約数の個数: 64

約数和(自身を含む): 13547520

約数和(自身を除く): 6228663

約数列:

[1, 3, 7, 13, 17, 19, 21, 39, 51, 57, 83, 91, 119, 133, 221, 247, 249, 273, 323, 357, 399, 581, 663, 741, 969, 1079, 1411, 1547, 1577, 1729, 1743, 2261, 3237, 4199, 4233, 4641, 4731, 5187, 6783, 7553, 9877, 11039, 12597, 18343, 20501, 22659, 26809, 29393, 29631, 33117, 55029, 61503, 80427, 88179, 128401, 143507, 187663, 348517, 385203, 430521, 562989, 1045551, 2439619, 7318857]

約数ペア:

[(1, 7318857), (3, 2439619), (7, 1045551), (13, 562989), (17, 430521), (19, 385203), (21, 348517), (39, 187663), (51, 143507), (57, 128401), (83, 88179), (91, 80427), (119, 61503), (133, 55029), (221, 33117), (247, 29631), (249, 29393), (273, 26809), (323, 22659), (357, 20501), (399, 18343), (581, 12597), (663, 11039), (741, 9877), (969, 7553), (1079, 6783), (1411, 5187), (1547, 4731), (1577, 4641), (1729, 4233), (1743, 4199), (2261, 3237)]