387434019

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{173}}^1\times {\mathrm{2269}}^1$

素因数の和:2499

約数の個数: 32

約数和(自身を含む): 606689280

約数和(自身を除く): 219255261

約数列:

[1, 3, 7, 21, 47, 141, 173, 329, 519, 987, 1211, 2269, 3633, 6807, 8131, 15883, 24393, 47649, 56917, 106643, 170751, 319929, 392537, 746501, 1177611, 2239503, 2747759, 8243277, 18449239, 55347717, 129144673, 387434019]

約数ペア:

[(1, 387434019), (3, 129144673), (7, 55347717), (21, 18449239), (47, 8243277), (141, 2747759), (173, 2239503), (329, 1177611), (519, 746501), (987, 392537), (1211, 319929), (2269, 170751), (3633, 106643), (6807, 56917), (8131, 47649), (15883, 24393)]