216197751

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{227}}^1$

素因数の和:305

約数の個数: 96

約数和(自身を含む): 399237120

約数和(自身を除く): 183039369

約数列:

[1, 3, 7, 11, 19, 21, 31, 33, 49, 57, 77, 93, 133, 147, 209, 217, 227, 231, 341, 399, 539, 589, 627, 651, 681, 931, 1023, 1463, 1519, 1589, 1617, 1767, 2387, 2497, 2793, 4123, 4313, 4389, 4557, 4767, 6479, 7037, 7161, 7491, 10241, 11123, 12369, 12939, 16709, 17479, 19437, 21111, 28861, 30191, 30723, 33369, 45353, 47443, 49259, 50127, 52437, 77407, 86583, 90573, 122353, 133703, 136059, 142329, 147777, 211337, 232221, 317471, 332101, 344813, 367059, 401109, 541849, 634011, 935921, 952413, 996303, 1034439, 1470733, 1625547, 2324707, 2807763, 3792943, 4412199, 6551447, 6974121, 10295131, 11378829, 19654341, 30885393, 72065917, 216197751]

約数ペア:

[(1, 216197751), (3, 72065917), (7, 30885393), (11, 19654341), (19, 11378829), (21, 10295131), (31, 6974121), (33, 6551447), (49, 4412199), (57, 3792943), (77, 2807763), (93, 2324707), (133, 1625547), (147, 1470733), (209, 1034439), (217, 996303), (227, 952413), (231, 935921), (341, 634011), (399, 541849), (539, 401109), (589, 367059), (627, 344813), (651, 332101), (681, 317471), (931, 232221), (1023, 211337), (1463, 147777), (1519, 142329), (1589, 136059), (1617, 133703), (1767, 122353), (2387, 90573), (2497, 86583), (2793, 77407), (4123, 52437), (4313, 50127), (4389, 49259), (4557, 47443), (4767, 45353), (6479, 33369), (7037, 30723), (7161, 30191), (7491, 28861), (10241, 21111), (11123, 19437), (12369, 17479), (12939, 16709)]