31541937

素因数分解:

$3^1\times 7^4\times {\mathrm{29}}^1\times {\mathrm{151}}^1$

素因数の和:211

約数の個数: 40

約数和(自身を含む): 51090240

約数和(自身を除く): 19548303

約数列:

[1, 3, 7, 21, 29, 49, 87, 147, 151, 203, 343, 453, 609, 1029, 1057, 1421, 2401, 3171, 4263, 4379, 7203, 7399, 9947, 13137, 22197, 29841, 30653, 51793, 69629, 91959, 155379, 208887, 214571, 362551, 643713, 1087653, 1501997, 4505991, 10513979, 31541937]

約数ペア:

[(1, 31541937), (3, 10513979), (7, 4505991), (21, 1501997), (29, 1087653), (49, 643713), (87, 362551), (147, 214571), (151, 208887), (203, 155379), (343, 91959), (453, 69629), (609, 51793), (1029, 30653), (1057, 29841), (1421, 22197), (2401, 13137), (3171, 9947), (4263, 7399), (4379, 7203)]