1649241

素因数分解:

$3^5\times {\mathrm{11}}^1\times {\mathrm{617}}^1$

素因数の和:643

約数の個数: 24

約数和(自身を含む): 2699424

約数和(自身を除く): 1050183

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 243, 297, 617, 891, 1851, 2673, 5553, 6787, 16659, 20361, 49977, 61083, 149931, 183249, 549747, 1649241]

約数ペア:

[(1, 1649241), (3, 549747), (9, 183249), (11, 149931), (27, 61083), (33, 49977), (81, 20361), (99, 16659), (243, 6787), (297, 5553), (617, 2673), (891, 1851)]