1640470185

素因数分解:

$3^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{117977}}^1$

素因数の和:118094

約数の個数: 32

約数和(自身を含む): 2944730880

約数和(自身を除く): 1304260695

約数列:

[1, 3, 5, 9, 15, 27, 45, 103, 135, 309, 515, 927, 1545, 2781, 4635, 13905, 117977, 353931, 589885, 1061793, 1769655, 3185379, 5308965, 12151631, 15926895, 36454893, 60758155, 109364679, 182274465, 328094037, 546823395, 1640470185]

約数ペア:

[(1, 1640470185), (3, 546823395), (5, 328094037), (9, 182274465), (15, 109364679), (27, 60758155), (45, 36454893), (103, 15926895), (135, 12151631), (309, 5308965), (515, 3185379), (927, 1769655), (1545, 1061793), (2781, 589885), (4635, 353931), (13905, 117977)]