1388923845

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{157207}}^1$

素因数の和:157265

約数の個数: 32

約数和(自身を含む): 2414714880

約数和(自身を除く): 1025791035

約数列:

[1, 3, 5, 15, 19, 31, 57, 93, 95, 155, 285, 465, 589, 1767, 2945, 8835, 157207, 471621, 786035, 2358105, 2986933, 4873417, 8960799, 14620251, 14934665, 24367085, 44803995, 73101255, 92594923, 277784769, 462974615, 1388923845]

約数ペア:

[(1, 1388923845), (3, 462974615), (5, 277784769), (15, 92594923), (19, 73101255), (31, 44803995), (57, 24367085), (93, 14934665), (95, 14620251), (155, 8960799), (285, 4873417), (465, 2986933), (589, 2358105), (1767, 786035), (2945, 471621), (8835, 157207)]