31127187

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{353}}^1$

素因数の和:412

約数の個数: 64

約数和(自身を含む): 57093120

約数和(自身を除く): 25965933

約数列:

[1, 3, 7, 13, 17, 19, 21, 39, 51, 57, 91, 119, 133, 221, 247, 273, 323, 353, 357, 399, 663, 741, 969, 1059, 1547, 1729, 2261, 2471, 4199, 4589, 4641, 5187, 6001, 6707, 6783, 7413, 12597, 13767, 18003, 20121, 29393, 32123, 42007, 46949, 78013, 87191, 88179, 96369, 114019, 126021, 140847, 234039, 261573, 342057, 546091, 610337, 798133, 1482247, 1638273, 1831011, 2394399, 4446741, 10375729, 31127187]

約数ペア:

[(1, 31127187), (3, 10375729), (7, 4446741), (13, 2394399), (17, 1831011), (19, 1638273), (21, 1482247), (39, 798133), (51, 610337), (57, 546091), (91, 342057), (119, 261573), (133, 234039), (221, 140847), (247, 126021), (273, 114019), (323, 96369), (353, 88179), (357, 87191), (399, 78013), (663, 46949), (741, 42007), (969, 32123), (1059, 29393), (1547, 20121), (1729, 18003), (2261, 13767), (2471, 12597), (4199, 7413), (4589, 6783), (4641, 6707), (5187, 6001)]