11720835

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{157}}^1$

素因数の和:257

約数の個数: 64

約数和(自身を含む): 24268800

約数和(自身を除く): 12547965

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 79, 105, 135, 157, 189, 237, 315, 395, 471, 553, 711, 785, 945, 1099, 1185, 1413, 1659, 2133, 2355, 2765, 3297, 3555, 4239, 4977, 5495, 7065, 8295, 9891, 10665, 12403, 14931, 16485, 21195, 24885, 29673, 37209, 49455, 62015, 74655, 86821, 111627, 148365, 186045, 260463, 334881, 434105, 558135, 781389, 1302315, 1674405, 2344167, 3906945, 11720835]

約数ペア:

[(1, 11720835), (3, 3906945), (5, 2344167), (7, 1674405), (9, 1302315), (15, 781389), (21, 558135), (27, 434105), (35, 334881), (45, 260463), (63, 186045), (79, 148365), (105, 111627), (135, 86821), (157, 74655), (189, 62015), (237, 49455), (315, 37209), (395, 29673), (471, 24885), (553, 21195), (711, 16485), (785, 14931), (945, 12403), (1099, 10665), (1185, 9891), (1413, 8295), (1659, 7065), (2133, 5495), (2355, 4977), (2765, 4239), (3297, 3555)]