209980329

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{113}}^1$

素因数の和:242

約数の個数: 64

約数和(自身を含む): 330946560

約数和(自身を除く): 120966231

約数列:

[1, 3, 13, 29, 31, 39, 53, 87, 93, 113, 159, 339, 377, 403, 689, 899, 1131, 1209, 1469, 1537, 1643, 2067, 2697, 3277, 3503, 4407, 4611, 4929, 5989, 9831, 10509, 11687, 17967, 19981, 21359, 35061, 42601, 45539, 47647, 59943, 64077, 77857, 101587, 127803, 136617, 142941, 173681, 185659, 233571, 304761, 521043, 556977, 619411, 1320631, 1858233, 2257853, 2413567, 3961893, 5384111, 6773559, 7240701, 16152333, 69993443, 209980329]

約数ペア:

[(1, 209980329), (3, 69993443), (13, 16152333), (29, 7240701), (31, 6773559), (39, 5384111), (53, 3961893), (87, 2413567), (93, 2257853), (113, 1858233), (159, 1320631), (339, 619411), (377, 556977), (403, 521043), (689, 304761), (899, 233571), (1131, 185659), (1209, 173681), (1469, 142941), (1537, 136617), (1643, 127803), (2067, 101587), (2697, 77857), (3277, 64077), (3503, 59943), (4407, 47647), (4611, 45539), (4929, 42601), (5989, 35061), (9831, 21359), (10509, 19981), (11687, 17967)]