31801203

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1291}}^1$

素因数の和:1344

約数の個数: 48

約数和(自身を含む): 58046976

約数和(自身を除く): 26245773

約数列:

[1, 3, 7, 9, 17, 21, 23, 51, 63, 69, 119, 153, 161, 207, 357, 391, 483, 1071, 1173, 1291, 1449, 2737, 3519, 3873, 8211, 9037, 11619, 21947, 24633, 27111, 29693, 65841, 81333, 89079, 153629, 197523, 207851, 267237, 460887, 504781, 623553, 1382661, 1514343, 1870659, 3533467, 4543029, 10600401, 31801203]

約数ペア:

[(1, 31801203), (3, 10600401), (7, 4543029), (9, 3533467), (17, 1870659), (21, 1514343), (23, 1382661), (51, 623553), (63, 504781), (69, 460887), (119, 267237), (153, 207851), (161, 197523), (207, 153629), (357, 89079), (391, 81333), (483, 65841), (1071, 29693), (1173, 27111), (1291, 24633), (1449, 21947), (2737, 11619), (3519, 9037), (3873, 8211)]