221406237

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{13421}}^1$

素因数の和:13490

約数の個数: 32

約数和(自身を含む): 360783360

約数和(自身を除く): 139377123

約数列:

[1, 3, 9, 13, 27, 39, 47, 117, 141, 351, 423, 611, 1269, 1833, 5499, 13421, 16497, 40263, 120789, 174473, 362367, 523419, 630787, 1570257, 1892361, 4710771, 5677083, 8200231, 17031249, 24600693, 73802079, 221406237]

約数ペア:

[(1, 221406237), (3, 73802079), (9, 24600693), (13, 17031249), (27, 8200231), (39, 5677083), (47, 4710771), (117, 1892361), (141, 1570257), (351, 630787), (423, 523419), (611, 362367), (1269, 174473), (1833, 120789), (5499, 40263), (13421, 16497)]