38811927

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{239}}^1$

素因数の和:316

約数の個数: 64

約数和(自身を含む): 70041600

約数和(自身を除く): 31229673

約数列:

[1, 3, 7, 11, 19, 21, 33, 37, 57, 77, 111, 133, 209, 231, 239, 259, 399, 407, 627, 703, 717, 777, 1221, 1463, 1673, 2109, 2629, 2849, 4389, 4541, 4921, 5019, 7733, 7887, 8547, 8843, 13623, 14763, 18403, 23199, 26529, 31787, 49951, 54131, 55209, 61901, 95361, 97273, 149853, 162393, 168017, 185703, 291819, 349657, 504051, 680911, 1048971, 1176119, 1848187, 2042733, 3528357, 5544561, 12937309, 38811927]

約数ペア:

[(1, 38811927), (3, 12937309), (7, 5544561), (11, 3528357), (19, 2042733), (21, 1848187), (33, 1176119), (37, 1048971), (57, 680911), (77, 504051), (111, 349657), (133, 291819), (209, 185703), (231, 168017), (239, 162393), (259, 149853), (399, 97273), (407, 95361), (627, 61901), (703, 55209), (717, 54131), (777, 49951), (1221, 31787), (1463, 26529), (1673, 23199), (2109, 18403), (2629, 14763), (2849, 13623), (4389, 8843), (4541, 8547), (4921, 7887), (5019, 7733)]