23720151

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{269}}^1$

素因数の和:328

約数の個数: 64

約数和(自身を含む): 43545600

約数和(自身を除く): 19825449

約数列:

[1, 3, 7, 13, 17, 19, 21, 39, 51, 57, 91, 119, 133, 221, 247, 269, 273, 323, 357, 399, 663, 741, 807, 969, 1547, 1729, 1883, 2261, 3497, 4199, 4573, 4641, 5111, 5187, 5649, 6783, 10491, 12597, 13719, 15333, 24479, 29393, 32011, 35777, 59449, 66443, 73437, 86887, 88179, 96033, 107331, 178347, 199329, 260661, 416143, 465101, 608209, 1129531, 1248429, 1395303, 1824627, 3388593, 7906717, 23720151]

約数ペア:

[(1, 23720151), (3, 7906717), (7, 3388593), (13, 1824627), (17, 1395303), (19, 1248429), (21, 1129531), (39, 608209), (51, 465101), (57, 416143), (91, 260661), (119, 199329), (133, 178347), (221, 107331), (247, 96033), (269, 88179), (273, 86887), (323, 73437), (357, 66443), (399, 59449), (663, 35777), (741, 32011), (807, 29393), (969, 24479), (1547, 15333), (1729, 13719), (1883, 12597), (2261, 10491), (3497, 6783), (4199, 5649), (4573, 5187), (4641, 5111)]