68571969

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{257}}^1$

素因数の和:461

約数の個数: 32

約数和(自身を含む): 100392960

約数和(自身を除く): 31820991

約数列:

[1, 3, 19, 31, 57, 93, 151, 257, 453, 589, 771, 1767, 2869, 4681, 4883, 7967, 8607, 14043, 14649, 23901, 38807, 88939, 116421, 151373, 266817, 454119, 737333, 1203017, 2211999, 3609051, 22857323, 68571969]

約数ペア:

[(1, 68571969), (3, 22857323), (19, 3609051), (31, 2211999), (57, 1203017), (93, 737333), (151, 454119), (257, 266817), (453, 151373), (589, 116421), (771, 88939), (1767, 38807), (2869, 23901), (4681, 14649), (4883, 14043), (7967, 8607)]