148905981

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{547}}^1$

素因数の和:738

約数の個数: 48

約数和(自身を含む): 256464000

約数和(自身を除く): 107558019

約数列:

[1, 3, 7, 9, 21, 29, 63, 87, 149, 203, 261, 447, 547, 609, 1043, 1341, 1641, 1827, 3129, 3829, 4321, 4923, 9387, 11487, 12963, 15863, 30247, 34461, 38889, 47589, 81503, 90741, 111041, 142767, 244509, 272223, 333123, 570521, 733527, 999369, 1711563, 2363587, 5134689, 7090761, 16545109, 21272283, 49635327, 148905981]

約数ペア:

[(1, 148905981), (3, 49635327), (7, 21272283), (9, 16545109), (21, 7090761), (29, 5134689), (63, 2363587), (87, 1711563), (149, 999369), (203, 733527), (261, 570521), (447, 333123), (547, 272223), (609, 244509), (1043, 142767), (1341, 111041), (1641, 90741), (1827, 81503), (3129, 47589), (3829, 38889), (4321, 34461), (4923, 30247), (9387, 15863), (11487, 12963)]