217464345

素因数分解:

$3^8\times 5^1\times 7^1\times {\mathrm{947}}^1$

素因数の和:983

約数の個数: 72

約数和(自身を含む): 447804864

約数和(自身を除く): 230340519

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 81, 105, 135, 189, 243, 315, 405, 567, 729, 945, 947, 1215, 1701, 2187, 2835, 2841, 3645, 4735, 5103, 6561, 6629, 8505, 8523, 10935, 14205, 15309, 19887, 25515, 25569, 32805, 33145, 42615, 45927, 59661, 76545, 76707, 99435, 127845, 178983, 229635, 230121, 298305, 383535, 536949, 690363, 894915, 1150605, 1610847, 2071089, 2684745, 3451815, 4832541, 6213267, 8054235, 10355445, 14497623, 24162705, 31066335, 43492869, 72488115, 217464345]

約数ペア:

[(1, 217464345), (3, 72488115), (5, 43492869), (7, 31066335), (9, 24162705), (15, 14497623), (21, 10355445), (27, 8054235), (35, 6213267), (45, 4832541), (63, 3451815), (81, 2684745), (105, 2071089), (135, 1610847), (189, 1150605), (243, 894915), (315, 690363), (405, 536949), (567, 383535), (729, 298305), (945, 230121), (947, 229635), (1215, 178983), (1701, 127845), (2187, 99435), (2835, 76707), (2841, 76545), (3645, 59661), (4735, 45927), (5103, 42615), (6561, 33145), (6629, 32805), (8505, 25569), (8523, 25515), (10935, 19887), (14205, 15309)]