857100285

素因数分解:

$3^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{727}}^1$

素因数の和:856

約数の個数: 80

約数和(自身を含む): 1598268672

約数和(自身を除く): 741168387

約数列:

[1, 3, 5, 9, 15, 27, 41, 45, 71, 81, 123, 135, 205, 213, 355, 369, 405, 615, 639, 727, 1065, 1107, 1845, 1917, 2181, 2911, 3195, 3321, 3635, 5535, 5751, 6543, 8733, 9585, 10905, 14555, 16605, 19629, 26199, 28755, 29807, 32715, 43665, 51617, 58887, 78597, 89421, 98145, 130995, 149035, 154851, 235791, 258085, 268263, 294435, 392985, 447105, 464553, 774255, 804789, 1178955, 1341315, 1393659, 2116297, 2322765, 2414367, 4023945, 4180977, 6348891, 6968295, 10581485, 12071835, 19046673, 20904885, 31744455, 57140019, 95233365, 171420057, 285700095, 857100285]

約数ペア:

[(1, 857100285), (3, 285700095), (5, 171420057), (9, 95233365), (15, 57140019), (27, 31744455), (41, 20904885), (45, 19046673), (71, 12071835), (81, 10581485), (123, 6968295), (135, 6348891), (205, 4180977), (213, 4023945), (355, 2414367), (369, 2322765), (405, 2116297), (615, 1393659), (639, 1341315), (727, 1178955), (1065, 804789), (1107, 774255), (1845, 464553), (1917, 447105), (2181, 392985), (2911, 294435), (3195, 268263), (3321, 258085), (3635, 235791), (5535, 154851), (5751, 149035), (6543, 130995), (8733, 98145), (9585, 89421), (10905, 78597), (14555, 58887), (16605, 51617), (19629, 43665), (26199, 32715), (28755, 29807)]