248775681

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{8221}}^1$

素因数の和:8373

約数の個数: 32

約数和(自身を含む): 416756736

約数和(自身を除く): 167981055

約数列:

[1, 3, 7, 11, 21, 33, 77, 131, 231, 393, 917, 1441, 2751, 4323, 8221, 10087, 24663, 30261, 57547, 90431, 172641, 271293, 633017, 1076951, 1899051, 3230853, 7538657, 11846461, 22615971, 35539383, 82925227, 248775681]

約数ペア:

[(1, 248775681), (3, 82925227), (7, 35539383), (11, 22615971), (21, 11846461), (33, 7538657), (77, 3230853), (131, 1899051), (231, 1076951), (393, 633017), (917, 271293), (1441, 172641), (2751, 90431), (4323, 57547), (8221, 30261), (10087, 24663)]