31227894789

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{307}}^1\times {\mathrm{409}}^1\times {\mathrm{911}}^1$

素因数の和:1650

約数の個数: 64

約数和(自身を含む): 51594977280

約数和(自身を除く): 20367082491

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 307, 409, 911, 921, 1227, 2149, 2733, 2863, 3991, 5317, 6377, 6447, 8589, 11843, 11973, 15951, 19131, 27937, 35529, 37219, 82901, 83811, 111657, 125563, 248703, 279677, 372599, 376689, 839031, 878941, 1117797, 1632319, 1957739, 2608193, 2636823, 3635801, 4843787, 4896957, 5873217, 7824579, 10907403, 11426233, 14531361, 25450607, 33906509, 34278699, 76351821, 101719527, 114387893, 343163679, 800715251, 1487042609, 2402145753, 4461127827, 10409298263, 31227894789]

約数ペア:

[(1, 31227894789), (3, 10409298263), (7, 4461127827), (13, 2402145753), (21, 1487042609), (39, 800715251), (91, 343163679), (273, 114387893), (307, 101719527), (409, 76351821), (911, 34278699), (921, 33906509), (1227, 25450607), (2149, 14531361), (2733, 11426233), (2863, 10907403), (3991, 7824579), (5317, 5873217), (6377, 4896957), (6447, 4843787), (8589, 3635801), (11843, 2636823), (11973, 2608193), (15951, 1957739), (19131, 1632319), (27937, 1117797), (35529, 878941), (37219, 839031), (82901, 376689), (83811, 372599), (111657, 279677), (125563, 248703)]