138351645

素因数分解:

$3^4\times 5^1\times {\mathrm{211}}^1\times {\mathrm{1619}}^1$

素因数の和:1847

約数の個数: 40

約数和(自身を含む): 249337440

約数和(自身を除く): 110985795

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 211, 405, 633, 1055, 1619, 1899, 3165, 4857, 5697, 8095, 9495, 14571, 17091, 24285, 28485, 43713, 72855, 85455, 131139, 218565, 341609, 655695, 1024827, 1708045, 3074481, 5124135, 9223443, 15372405, 27670329, 46117215, 138351645]

約数ペア:

[(1, 138351645), (3, 46117215), (5, 27670329), (9, 15372405), (15, 9223443), (27, 5124135), (45, 3074481), (81, 1708045), (135, 1024827), (211, 655695), (405, 341609), (633, 218565), (1055, 131139), (1619, 85455), (1899, 72855), (3165, 43713), (4857, 28485), (5697, 24285), (8095, 17091), (9495, 14571)]