72228009

素因数分解:

$3^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{16943}}^1$

素因数の和:16989

約数の個数: 24

約数和(自身を含む): 115896960

約数和(自身を除く): 43668951

約数列:

[1, 3, 7, 21, 29, 49, 87, 147, 203, 609, 1421, 4263, 16943, 50829, 118601, 355803, 491347, 830207, 1474041, 2490621, 3439429, 10318287, 24076003, 72228009]

約数ペア:

[(1, 72228009), (3, 24076003), (7, 10318287), (21, 3439429), (29, 2490621), (49, 1474041), (87, 830207), (147, 491347), (203, 355803), (609, 118601), (1421, 50829), (4263, 16943)]