61806969

素因数分解:

$3^4\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1787}}^1$

素因数の和:1867

約数の個数: 40

約数和(自身を含む): 107308608

約数和(自身を除く): 45501639

約数列:

[1, 3, 7, 9, 21, 27, 61, 63, 81, 183, 189, 427, 549, 567, 1281, 1647, 1787, 3843, 4941, 5361, 11529, 12509, 16083, 34587, 37527, 48249, 109007, 112581, 144747, 327021, 337743, 763049, 981063, 1013229, 2289147, 2943189, 6867441, 8829567, 20602323, 61806969]

約数ペア:

[(1, 61806969), (3, 20602323), (7, 8829567), (9, 6867441), (21, 2943189), (27, 2289147), (61, 1013229), (63, 981063), (81, 763049), (183, 337743), (189, 327021), (427, 144747), (549, 112581), (567, 109007), (1281, 48249), (1647, 37527), (1787, 34587), (3843, 16083), (4941, 12509), (5361, 11529)]