280778841

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{313}}^1\times {\mathrm{491}}^1$

素因数の和:846

約数の個数: 48

約数和(自身を含む): 482002560

約数和(自身を除く): 201223719

約数列:

[1, 3, 7, 9, 21, 29, 63, 87, 203, 261, 313, 491, 609, 939, 1473, 1827, 2191, 2817, 3437, 4419, 6573, 9077, 10311, 14239, 19719, 27231, 30933, 42717, 63539, 81693, 99673, 128151, 153683, 190617, 299019, 461049, 571851, 897057, 1075781, 1383147, 3227343, 4456807, 9682029, 13370421, 31197649, 40111263, 93592947, 280778841]

約数ペア:

[(1, 280778841), (3, 93592947), (7, 40111263), (9, 31197649), (21, 13370421), (29, 9682029), (63, 4456807), (87, 3227343), (203, 1383147), (261, 1075781), (313, 897057), (491, 571851), (609, 461049), (939, 299019), (1473, 190617), (1827, 153683), (2191, 128151), (2817, 99673), (3437, 81693), (4419, 63539), (6573, 42717), (9077, 30933), (10311, 27231), (14239, 19719)]