30987993

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{269}}^1$

素因数の和:381

約数の個数: 32

約数和(自身を含む): 45619200

約数和(自身を除く): 14631207

約数列:

[1, 3, 19, 43, 47, 57, 129, 141, 269, 807, 817, 893, 2021, 2451, 2679, 5111, 6063, 11567, 12643, 15333, 34701, 37929, 38399, 115197, 219773, 240217, 543649, 659319, 720651, 1630947, 10329331, 30987993]

約数ペア:

[(1, 30987993), (3, 10329331), (19, 1630947), (43, 720651), (47, 659319), (57, 543649), (129, 240217), (141, 219773), (269, 115197), (807, 38399), (817, 37929), (893, 34701), (2021, 15333), (2451, 12643), (2679, 11567), (5111, 6063)]