78887601

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3943}}^1$

素因数の和:3987

約数の個数: 40

約数和(自身を含む): 133622720

約数和(自身を除く): 54735119

約数列:

[1, 3, 9, 13, 19, 27, 39, 57, 81, 117, 171, 247, 351, 513, 741, 1053, 1539, 2223, 3943, 6669, 11829, 20007, 35487, 51259, 74917, 106461, 153777, 224751, 319383, 461331, 674253, 973921, 1383993, 2022759, 2921763, 4151979, 6068277, 8765289, 26295867, 78887601]

約数ペア:

[(1, 78887601), (3, 26295867), (9, 8765289), (13, 6068277), (19, 4151979), (27, 2921763), (39, 2022759), (57, 1383993), (81, 973921), (117, 674253), (171, 461331), (247, 319383), (351, 224751), (513, 153777), (741, 106461), (1053, 74917), (1539, 51259), (2223, 35487), (3943, 20007), (6669, 11829)]