87019449

素因数分解:

$3^1\times {\mathrm{11}}^3\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1$

素因数の和:123

約数の個数: 64

約数和(自身を含む): 142417920

約数和(自身を除く): 55398471

約数列:

[1, 3, 11, 19, 31, 33, 37, 57, 93, 111, 121, 209, 341, 363, 407, 589, 627, 703, 1023, 1147, 1221, 1331, 1767, 2109, 2299, 3441, 3751, 3993, 4477, 6479, 6897, 7733, 11253, 12617, 13431, 19437, 21793, 23199, 25289, 37851, 41261, 49247, 65379, 71269, 75867, 85063, 123783, 138787, 147741, 213807, 239723, 255189, 416361, 719169, 783959, 935693, 1526657, 2351877, 2636953, 2807079, 4579971, 7910859, 29006483, 87019449]

約数ペア:

[(1, 87019449), (3, 29006483), (11, 7910859), (19, 4579971), (31, 2807079), (33, 2636953), (37, 2351877), (57, 1526657), (93, 935693), (111, 783959), (121, 719169), (209, 416361), (341, 255189), (363, 239723), (407, 213807), (589, 147741), (627, 138787), (703, 123783), (1023, 85063), (1147, 75867), (1221, 71269), (1331, 65379), (1767, 49247), (2109, 41261), (2299, 37851), (3441, 25289), (3751, 23199), (3993, 21793), (4477, 19437), (6479, 13431), (6897, 12617), (7733, 11253)]