289587987

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{251}}^1$

素因数の和:465

約数の個数: 64

約数和(自身を含む): 491097600

約数和(自身を除く): 201509613

約数列:

[1, 3, 9, 13, 19, 27, 39, 57, 117, 171, 173, 247, 251, 351, 513, 519, 741, 753, 1557, 2223, 2249, 2259, 3263, 3287, 4671, 4769, 6669, 6747, 6777, 9789, 9861, 14307, 20241, 29367, 29583, 42731, 42921, 43423, 60723, 61997, 88101, 88749, 128193, 128763, 130269, 185991, 384579, 390807, 557973, 564499, 825037, 1153737, 1172421, 1673919, 1693497, 2475111, 5080491, 7425333, 10725481, 15241473, 22275999, 32176443, 96529329, 289587987]

約数ペア:

[(1, 289587987), (3, 96529329), (9, 32176443), (13, 22275999), (19, 15241473), (27, 10725481), (39, 7425333), (57, 5080491), (117, 2475111), (171, 1693497), (173, 1673919), (247, 1172421), (251, 1153737), (351, 825037), (513, 564499), (519, 557973), (741, 390807), (753, 384579), (1557, 185991), (2223, 130269), (2249, 128763), (2259, 128193), (3263, 88749), (3287, 88101), (4671, 61997), (4769, 60723), (6669, 43423), (6747, 42921), (6777, 42731), (9789, 29583), (9861, 29367), (14307, 20241)]