2149011

素因数分解:

$3^4\times {\mathrm{43}}^1\times {\mathrm{617}}^1$

素因数の和:672

約数の個数: 20

約数和(自身を含む): 3290232

約数和(自身を除く): 1141221

約数列:

[1, 3, 9, 27, 43, 81, 129, 387, 617, 1161, 1851, 3483, 5553, 16659, 26531, 49977, 79593, 238779, 716337, 2149011]

約数ペア:

[(1, 2149011), (3, 716337), (9, 238779), (27, 79593), (43, 49977), (81, 26531), (129, 16659), (387, 5553), (617, 3483), (1161, 1851)]