11213307

素因数分解:

$3^2\times 7^2\times {\mathrm{47}}^1\times {\mathrm{541}}^1$

素因数の和:608

約数の個数: 36

約数和(自身を含む): 19277856

約数和(自身を除く): 8064549

約数列:

[1, 3, 7, 9, 21, 47, 49, 63, 141, 147, 329, 423, 441, 541, 987, 1623, 2303, 2961, 3787, 4869, 6909, 11361, 20727, 25427, 26509, 34083, 76281, 79527, 177989, 228843, 238581, 533967, 1245923, 1601901, 3737769, 11213307]

約数ペア:

[(1, 11213307), (3, 3737769), (7, 1601901), (9, 1245923), (21, 533967), (47, 238581), (49, 228843), (63, 177989), (141, 79527), (147, 76281), (329, 34083), (423, 26509), (441, 25427), (541, 20727), (987, 11361), (1623, 6909), (2303, 4869), (2961, 3787)]