66401325

素因数分解:

$3^2\times 5^2\times {\mathrm{199}}^1\times {\mathrm{1483}}^1$

素因数の和:1698

約数の個数: 36

約数和(自身を含む): 119610400

約数和(自身を除く): 53209075

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 199, 225, 597, 995, 1483, 1791, 2985, 4449, 4975, 7415, 8955, 13347, 14925, 22245, 37075, 44775, 66735, 111225, 295117, 333675, 885351, 1475585, 2656053, 4426755, 7377925, 13280265, 22133775, 66401325]

約数ペア:

[(1, 66401325), (3, 22133775), (5, 13280265), (9, 7377925), (15, 4426755), (25, 2656053), (45, 1475585), (75, 885351), (199, 333675), (225, 295117), (597, 111225), (995, 66735), (1483, 44775), (1791, 37075), (2985, 22245), (4449, 14925), (4975, 13347), (7415, 8955)]