121211519

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{739}}^1$

素因数の和:831

約数の個数: 32

約数和(自身を含む): 151173120

約数和(自身を除く): 29961601

約数列:

[1, 11, 13, 31, 37, 143, 341, 403, 407, 481, 739, 1147, 4433, 5291, 8129, 9607, 12617, 14911, 22909, 27343, 105677, 164021, 251999, 297817, 300773, 355459, 847633, 3275987, 3910049, 9323963, 11019229, 121211519]

約数ペア:

[(1, 121211519), (11, 11019229), (13, 9323963), (31, 3910049), (37, 3275987), (143, 847633), (341, 355459), (403, 300773), (407, 297817), (481, 251999), (739, 164021), (1147, 105677), (4433, 27343), (5291, 22909), (8129, 14911), (9607, 12617)]