888978969

素因数分解:

$3^4\times {\mathrm{131}}^1\times {\mathrm{199}}^1\times {\mathrm{421}}^1$

素因数の和:763

約数の個数: 40

約数和(自身を含む): 1348036800

約数和(自身を除く): 459057831

約数列:

[1, 3, 9, 27, 81, 131, 199, 393, 421, 597, 1179, 1263, 1791, 3537, 3789, 5373, 10611, 11367, 16119, 26069, 34101, 55151, 78207, 83779, 165453, 234621, 251337, 496359, 703863, 754011, 1489077, 2111589, 2262033, 4467231, 6786099, 10975049, 32925147, 98775441, 296326323, 888978969]

約数ペア:

[(1, 888978969), (3, 296326323), (9, 98775441), (27, 32925147), (81, 10975049), (131, 6786099), (199, 4467231), (393, 2262033), (421, 2111589), (597, 1489077), (1179, 754011), (1263, 703863), (1791, 496359), (3537, 251337), (3789, 234621), (5373, 165453), (10611, 83779), (11367, 78207), (16119, 55151), (26069, 34101)]