77957817

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{3203}}^1$

素因数の和:3293

約数の個数: 32

約数和(自身を含む): 127134720

約数和(自身を除く): 49176903

約数列:

[1, 3, 7, 19, 21, 57, 61, 133, 183, 399, 427, 1159, 1281, 3203, 3477, 8113, 9609, 22421, 24339, 60857, 67263, 182571, 195383, 425999, 586149, 1277997, 1367681, 3712277, 4103043, 11136831, 25985939, 77957817]

約数ペア:

[(1, 77957817), (3, 25985939), (7, 11136831), (19, 4103043), (21, 3712277), (57, 1367681), (61, 1277997), (133, 586149), (183, 425999), (399, 195383), (427, 182571), (1159, 67263), (1281, 60857), (3203, 24339), (3477, 22421), (8113, 9609)]