25252983

素因数分解:

$3^2\times 7^2\times {\mathrm{173}}^1\times {\mathrm{331}}^1$

素因数の和:524

約数の個数: 36

約数和(自身を含む): 42806088

約数和(自身を除く): 17553105

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 173, 331, 441, 519, 993, 1211, 1557, 2317, 2979, 3633, 6951, 8477, 10899, 16219, 20853, 25431, 48657, 57263, 76293, 145971, 171789, 400841, 515367, 1202523, 2805887, 3607569, 8417661, 25252983]

約数ペア:

[(1, 25252983), (3, 8417661), (7, 3607569), (9, 2805887), (21, 1202523), (49, 515367), (63, 400841), (147, 171789), (173, 145971), (331, 76293), (441, 57263), (519, 48657), (993, 25431), (1211, 20853), (1557, 16219), (2317, 10899), (2979, 8477), (3633, 6951)]