138898395

素因数分解:

$3^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{7297}}^1$

素因数の和:7361

約数の個数: 40

約数和(自身を含む): 254320704

約数和(自身を除く): 115422309

約数列:

[1, 3, 5, 9, 15, 27, 45, 47, 81, 135, 141, 235, 405, 423, 705, 1269, 2115, 3807, 6345, 7297, 19035, 21891, 36485, 65673, 109455, 197019, 328365, 342959, 591057, 985095, 1028877, 1714795, 2955285, 3086631, 5144385, 9259893, 15433155, 27779679, 46299465, 138898395]

約数ペア:

[(1, 138898395), (3, 46299465), (5, 27779679), (9, 15433155), (15, 9259893), (27, 5144385), (45, 3086631), (47, 2955285), (81, 1714795), (135, 1028877), (141, 985095), (235, 591057), (405, 342959), (423, 328365), (705, 197019), (1269, 109455), (2115, 65673), (3807, 36485), (6345, 21891), (7297, 19035)]