201964671

素因数分解:

$3^4\times {\mathrm{29}}^1\times {\mathrm{127}}^1\times {\mathrm{677}}^1$

素因数の和:845

約数の個数: 40

約数和(自身を含む): 315025920

約数和(自身を除く): 113061249

約数列:

[1, 3, 9, 27, 29, 81, 87, 127, 261, 381, 677, 783, 1143, 2031, 2349, 3429, 3683, 6093, 10287, 11049, 18279, 19633, 33147, 54837, 58899, 85979, 99441, 176697, 257937, 298323, 530091, 773811, 1590273, 2321433, 2493391, 6964299, 7480173, 22440519, 67321557, 201964671]

約数ペア:

[(1, 201964671), (3, 67321557), (9, 22440519), (27, 7480173), (29, 6964299), (81, 2493391), (87, 2321433), (127, 1590273), (261, 773811), (381, 530091), (677, 298323), (783, 257937), (1143, 176697), (2031, 99441), (2349, 85979), (3429, 58899), (3683, 54837), (6093, 33147), (10287, 19633), (11049, 18279)]