156620667

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{103}}^2$

素因数の和:272

約数の個数: 48

約数和(自身を含む): 260540160

約数和(自身を除く): 103919493

約数列:

[1, 3, 7, 19, 21, 37, 57, 103, 111, 133, 259, 309, 399, 703, 721, 777, 1957, 2109, 2163, 3811, 4921, 5871, 10609, 11433, 13699, 14763, 26677, 31827, 41097, 72409, 74263, 80031, 201571, 217227, 222789, 392533, 506863, 604713, 1177599, 1410997, 1520589, 2747731, 4232991, 7458127, 8243193, 22374381, 52206889, 156620667]

約数ペア:

[(1, 156620667), (3, 52206889), (7, 22374381), (19, 8243193), (21, 7458127), (37, 4232991), (57, 2747731), (103, 1520589), (111, 1410997), (133, 1177599), (259, 604713), (309, 506863), (399, 392533), (703, 222789), (721, 217227), (777, 201571), (1957, 80031), (2109, 74263), (2163, 72409), (3811, 41097), (4921, 31827), (5871, 26677), (10609, 14763), (11433, 13699)]