265752981

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{359}}^1$

素因数の和:440

約数の個数: 80

約数和(自身を含む): 463478400

約数和(自身を除く): 197725419

約数列:

[1, 3, 9, 13, 19, 27, 37, 39, 57, 81, 111, 117, 171, 247, 333, 351, 359, 481, 513, 703, 741, 999, 1053, 1077, 1443, 1539, 2109, 2223, 2997, 3231, 4329, 4667, 6327, 6669, 6821, 9139, 9693, 12987, 13283, 14001, 18981, 20007, 20463, 27417, 29079, 38961, 39849, 42003, 56943, 61389, 82251, 88673, 119547, 126009, 172679, 184167, 246753, 252377, 266019, 358641, 378027, 518037, 552501, 740259, 757131, 798057, 1075923, 1554111, 2271393, 2394171, 3280901, 4662333, 6814179, 7182513, 9842703, 13986999, 20442537, 29528109, 88584327, 265752981]

約数ペア:

[(1, 265752981), (3, 88584327), (9, 29528109), (13, 20442537), (19, 13986999), (27, 9842703), (37, 7182513), (39, 6814179), (57, 4662333), (81, 3280901), (111, 2394171), (117, 2271393), (171, 1554111), (247, 1075923), (333, 798057), (351, 757131), (359, 740259), (481, 552501), (513, 518037), (703, 378027), (741, 358641), (999, 266019), (1053, 252377), (1077, 246753), (1443, 184167), (1539, 172679), (2109, 126009), (2223, 119547), (2997, 88673), (3231, 82251), (4329, 61389), (4667, 56943), (6327, 42003), (6669, 39849), (6821, 38961), (9139, 29079), (9693, 27417), (12987, 20463), (13283, 20007), (14001, 18981)]