401066991

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{60139}}^1$

素因数の和:60180

約数の個数: 32

約数和(自身を含む): 673568000

約数和(自身を除く): 272501009

約数列:

[1, 3, 9, 13, 19, 27, 39, 57, 117, 171, 247, 351, 513, 741, 2223, 6669, 60139, 180417, 541251, 781807, 1142641, 1623753, 2345421, 3427923, 7036263, 10283769, 14854333, 21108789, 30851307, 44562999, 133688997, 401066991]

約数ペア:

[(1, 401066991), (3, 133688997), (9, 44562999), (13, 30851307), (19, 21108789), (27, 14854333), (39, 10283769), (57, 7036263), (117, 3427923), (171, 2345421), (247, 1623753), (351, 1142641), (513, 781807), (741, 541251), (2223, 180417), (6669, 60139)]