8728041

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{239}}^1$

素因数の和:333

約数の個数: 32

約数和(自身を含む): 14008320

約数和(自身を除く): 5280279

約数列:

[1, 3, 7, 21, 37, 47, 111, 141, 239, 259, 329, 717, 777, 987, 1673, 1739, 5019, 5217, 8843, 11233, 12173, 26529, 33699, 36519, 61901, 78631, 185703, 235893, 415621, 1246863, 2909347, 8728041]

約数ペア:

[(1, 8728041), (3, 2909347), (7, 1246863), (21, 415621), (37, 235893), (47, 185703), (111, 78631), (141, 61901), (239, 36519), (259, 33699), (329, 26529), (717, 12173), (777, 11233), (987, 8843), (1673, 5217), (1739, 5019)]