1268190021

素因数分解:

$3^1\times 7^3\times {\mathrm{17}}^1\times {\mathrm{72497}}^1$

素因数の和:72538

約数の個数: 32

約数和(自身を含む): 2087942400

約数和(自身を除く): 819752379

約数列:

[1, 3, 7, 17, 21, 49, 51, 119, 147, 343, 357, 833, 1029, 2499, 5831, 17493, 72497, 217491, 507479, 1232449, 1522437, 3552353, 3697347, 8627143, 10657059, 24866471, 25881429, 60390001, 74599413, 181170003, 422730007, 1268190021]

約数ペア:

[(1, 1268190021), (3, 422730007), (7, 181170003), (17, 74599413), (21, 60390001), (49, 25881429), (51, 24866471), (119, 10657059), (147, 8627143), (343, 3697347), (357, 3552353), (833, 1522437), (1029, 1232449), (2499, 507479), (5831, 217491), (17493, 72497)]