20175715089

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{651481}}^1$

素因数の和:651558

約数の個数: 32

約数和(自身を含む): 31688084480

約数和(自身を除く): 11512369391

約数列:

[1, 3, 9, 27, 31, 37, 93, 111, 279, 333, 837, 999, 1147, 3441, 10323, 30969, 651481, 1954443, 5863329, 17589987, 20195911, 24104797, 60587733, 72314391, 181763199, 216943173, 545289597, 650829519, 747248707, 2241746121, 6725238363, 20175715089]

約数ペア:

[(1, 20175715089), (3, 6725238363), (9, 2241746121), (27, 747248707), (31, 650829519), (37, 545289597), (93, 216943173), (111, 181763199), (279, 72314391), (333, 60587733), (837, 24104797), (999, 20195911), (1147, 17589987), (3441, 5863329), (10323, 1954443), (30969, 651481)]