78881283

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{3257}}^1$

素因数の和:3305

約数の個数: 40

約数和(自身を含む): 132457248

約数和(自身を除く): 53575965

約数列:

[1, 3, 9, 13, 23, 27, 39, 69, 81, 117, 207, 299, 351, 621, 897, 1053, 1863, 2691, 3257, 8073, 9771, 24219, 29313, 42341, 74911, 87939, 127023, 224733, 263817, 381069, 674199, 973843, 1143207, 2022597, 2921529, 3429621, 6067791, 8764587, 26293761, 78881283]

約数ペア:

[(1, 78881283), (3, 26293761), (9, 8764587), (13, 6067791), (23, 3429621), (27, 2921529), (39, 2022597), (69, 1143207), (81, 973843), (117, 674199), (207, 381069), (299, 263817), (351, 224733), (621, 127023), (897, 87939), (1053, 74911), (1863, 42341), (2691, 29313), (3257, 24219), (8073, 9771)]