64972935

素因数分解:

$3^4\times 5^1\times {\mathrm{137}}^1\times {\mathrm{1171}}^1$

素因数の和:1325

約数の個数: 40

約数和(自身を含む): 117420336

約数和(自身を除く): 52447401

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 137, 405, 411, 685, 1171, 1233, 2055, 3513, 3699, 5855, 6165, 10539, 11097, 17565, 18495, 31617, 52695, 55485, 94851, 158085, 160427, 474255, 481281, 802135, 1443843, 2406405, 4331529, 7219215, 12994587, 21657645, 64972935]

約数ペア:

[(1, 64972935), (3, 21657645), (5, 12994587), (9, 7219215), (15, 4331529), (27, 2406405), (45, 1443843), (81, 802135), (135, 481281), (137, 474255), (405, 160427), (411, 158085), (685, 94851), (1171, 55485), (1233, 52695), (2055, 31617), (3513, 18495), (3699, 17565), (5855, 11097), (6165, 10539)]