211716855

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{1427}}^1$

素因数の和:1605

約数の個数: 64

約数和(自身を含む): 433198080

約数和(自身を除く): 221481225

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 157, 189, 315, 471, 785, 945, 1099, 1413, 1427, 2355, 3297, 4239, 4281, 5495, 7065, 7135, 9891, 9989, 12843, 16485, 21195, 21405, 29673, 29967, 38529, 49455, 49945, 64215, 89901, 148365, 149835, 192645, 224039, 269703, 449505, 672117, 1120195, 1348515, 1568273, 2016351, 3360585, 4704819, 6049053, 7841365, 10081755, 14114457, 23524095, 30245265, 42343371, 70572285, 211716855]

約数ペア:

[(1, 211716855), (3, 70572285), (5, 42343371), (7, 30245265), (9, 23524095), (15, 14114457), (21, 10081755), (27, 7841365), (35, 6049053), (45, 4704819), (63, 3360585), (105, 2016351), (135, 1568273), (157, 1348515), (189, 1120195), (315, 672117), (471, 449505), (785, 269703), (945, 224039), (1099, 192645), (1413, 149835), (1427, 148365), (2355, 89901), (3297, 64215), (4239, 49945), (4281, 49455), (5495, 38529), (7065, 29967), (7135, 29673), (9891, 21405), (9989, 21195), (12843, 16485)]