31895156979

素因数分解:

$3^2\times 7^2\times {\mathrm{59}}^1\times {\mathrm{139}}^1\times {\mathrm{8819}}^1$

素因数の和:9037

約数の個数: 72

約数和(自身を含む): 54899208000

約数和(自身を除く): 23004051021

約数列:

[1, 3, 7, 9, 21, 49, 59, 63, 139, 147, 177, 413, 417, 441, 531, 973, 1239, 1251, 2891, 2919, 3717, 6811, 8201, 8673, 8757, 8819, 20433, 24603, 26019, 26457, 57407, 61299, 61733, 73809, 79371, 172221, 185199, 401849, 432131, 516663, 520321, 555597, 1205547, 1225841, 1296393, 1560963, 3616641, 3642247, 3677523, 3889179, 4682889, 8580887, 10926741, 11032569, 25495729, 25742661, 32780223, 60066209, 72324619, 76487187, 77227983, 180198627, 216973857, 229461561, 506272333, 540595881, 650921571, 1518816999, 3543906331, 4556450997, 10631718993, 31895156979]

約数ペア:

[(1, 31895156979), (3, 10631718993), (7, 4556450997), (9, 3543906331), (21, 1518816999), (49, 650921571), (59, 540595881), (63, 506272333), (139, 229461561), (147, 216973857), (177, 180198627), (413, 77227983), (417, 76487187), (441, 72324619), (531, 60066209), (973, 32780223), (1239, 25742661), (1251, 25495729), (2891, 11032569), (2919, 10926741), (3717, 8580887), (6811, 4682889), (8201, 3889179), (8673, 3677523), (8757, 3642247), (8819, 3616641), (20433, 1560963), (24603, 1296393), (26019, 1225841), (26457, 1205547), (57407, 555597), (61299, 520321), (61733, 516663), (73809, 432131), (79371, 401849), (172221, 185199)]