38991321

素因数分解:

$3^3\times {\mathrm{353}}^1\times {\mathrm{4091}}^1$

素因数の和:4453

約数の個数: 16

約数和(自身を含む): 57942720

約数和(自身を除く): 18951399

約数列:

[1, 3, 9, 27, 353, 1059, 3177, 4091, 9531, 12273, 36819, 110457, 1444123, 4332369, 12997107, 38991321]

約数ペア:

[(1, 38991321), (3, 12997107), (9, 4332369), (27, 1444123), (353, 110457), (1059, 36819), (3177, 12273), (4091, 9531)]