216385785

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{317}}^1$

素因数の和:543

約数の個数: 96

約数和(自身を含む): 471474432

約数和(自身を除く): 255088647

約数列:

[1, 3, 5, 7, 9, 11, 15, 21, 33, 35, 45, 55, 63, 77, 99, 105, 165, 197, 231, 315, 317, 385, 495, 591, 693, 951, 985, 1155, 1379, 1585, 1773, 2167, 2219, 2853, 2955, 3465, 3487, 4137, 4755, 6501, 6657, 6895, 8865, 10461, 10835, 11095, 12411, 14265, 15169, 17435, 19503, 19971, 20685, 24409, 31383, 32505, 33285, 45507, 52305, 62055, 62449, 73227, 75845, 97515, 99855, 122045, 136521, 156915, 187347, 219681, 227535, 312245, 366135, 437143, 562041, 682605, 686939, 936735, 1098405, 1311429, 2060817, 2185715, 2810205, 3434695, 3934287, 4808573, 6182451, 6557145, 10304085, 14425719, 19671435, 24042865, 30912255, 43277157, 72128595, 216385785]

約数ペア:

[(1, 216385785), (3, 72128595), (5, 43277157), (7, 30912255), (9, 24042865), (11, 19671435), (15, 14425719), (21, 10304085), (33, 6557145), (35, 6182451), (45, 4808573), (55, 3934287), (63, 3434695), (77, 2810205), (99, 2185715), (105, 2060817), (165, 1311429), (197, 1098405), (231, 936735), (315, 686939), (317, 682605), (385, 562041), (495, 437143), (591, 366135), (693, 312245), (951, 227535), (985, 219681), (1155, 187347), (1379, 156915), (1585, 136521), (1773, 122045), (2167, 99855), (2219, 97515), (2853, 75845), (2955, 73227), (3465, 62449), (3487, 62055), (4137, 52305), (4755, 45507), (6501, 33285), (6657, 32505), (6895, 31383), (8865, 24409), (10461, 20685), (10835, 19971), (11095, 19503), (12411, 17435), (14265, 15169)]