66441921

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{1223}}^1$

素因数の和:1445

約数の個数: 32

約数和(自身を含む): 109670400

約数和(自身を除く): 43228479

約数列:

[1, 3, 7, 13, 21, 39, 91, 199, 273, 597, 1223, 1393, 2587, 3669, 4179, 7761, 8561, 15899, 18109, 25683, 47697, 54327, 111293, 243377, 333879, 730131, 1703639, 3163901, 5110917, 9491703, 22147307, 66441921]

約数ペア:

[(1, 66441921), (3, 22147307), (7, 9491703), (13, 5110917), (21, 3163901), (39, 1703639), (91, 730131), (199, 333879), (273, 243377), (597, 111293), (1223, 54327), (1393, 47697), (2587, 25683), (3669, 18109), (4179, 15899), (7761, 8561)]