187663395

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{2221}}^1$

素因数の和:2403

約数の個数: 32

約数和(自身を含む): 309729024

約数和(自身を除く): 122065629

約数列:

[1, 3, 5, 15, 43, 129, 131, 215, 393, 645, 655, 1965, 2221, 5633, 6663, 11105, 16899, 28165, 33315, 84495, 95503, 286509, 290951, 477515, 872853, 1432545, 1454755, 4364265, 12510893, 37532679, 62554465, 187663395]

約数ペア:

[(1, 187663395), (3, 62554465), (5, 37532679), (15, 12510893), (43, 4364265), (129, 1454755), (131, 1432545), (215, 872853), (393, 477515), (645, 290951), (655, 286509), (1965, 95503), (2221, 84495), (5633, 33315), (6663, 28165), (11105, 16899)]