81701487

素因数分解:

$3^3\times 7^1\times {\mathrm{269}}^1\times {\mathrm{1607}}^1$

素因数の和:1892

約数の個数: 32

約数和(自身を含む): 138931200

約数和(自身を除く): 57229713

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 269, 807, 1607, 1883, 2421, 4821, 5649, 7263, 11249, 14463, 16947, 33747, 43389, 50841, 101241, 303723, 432283, 1296849, 3025981, 3890547, 9077943, 11671641, 27233829, 81701487]

約数ペア:

[(1, 81701487), (3, 27233829), (7, 11671641), (9, 9077943), (21, 3890547), (27, 3025981), (63, 1296849), (189, 432283), (269, 303723), (807, 101241), (1607, 50841), (1883, 43389), (2421, 33747), (4821, 16947), (5649, 14463), (7263, 11249)]