289399257

素因数分解:

$3^3\times 7^1\times {\mathrm{47}}^1\times {\mathrm{32579}}^1$

素因数の和:32642

約数の個数: 32

約数和(自身を含む): 500428800

約数和(自身を除く): 211029543

約数列:

[1, 3, 7, 9, 21, 27, 47, 63, 141, 189, 329, 423, 987, 1269, 2961, 8883, 32579, 97737, 228053, 293211, 684159, 879633, 1531213, 2052477, 4593639, 6157431, 10718491, 13780917, 32155473, 41342751, 96466419, 289399257]

約数ペア:

[(1, 289399257), (3, 96466419), (7, 41342751), (9, 32155473), (21, 13780917), (27, 10718491), (47, 6157431), (63, 4593639), (141, 2052477), (189, 1531213), (329, 879633), (423, 684159), (987, 293211), (1269, 228053), (2961, 97737), (8883, 32579)]