207980175

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{109}}^1$

素因数の和:257

約数の個数: 96

約数和(自身を含む): 397196800

約数和(自身を除く): 189216625

約数列:

[1, 3, 5, 13, 15, 19, 25, 39, 57, 65, 75, 95, 103, 109, 195, 247, 285, 309, 325, 327, 475, 515, 545, 741, 975, 1235, 1339, 1417, 1425, 1545, 1635, 1957, 2071, 2575, 2725, 3705, 4017, 4251, 5871, 6175, 6213, 6695, 7085, 7725, 8175, 9785, 10355, 11227, 18525, 20085, 21255, 25441, 26923, 29355, 31065, 33475, 33681, 35425, 48925, 51775, 56135, 76323, 80769, 100425, 106275, 127205, 134615, 145951, 146775, 155325, 168405, 213313, 280675, 381615, 403845, 437853, 636025, 639939, 673075, 729755, 842025, 1066565, 1908075, 2019225, 2189265, 2773069, 3199695, 3648775, 5332825, 8319207, 10946325, 13865345, 15998475, 41596035, 69326725, 207980175]

約数ペア:

[(1, 207980175), (3, 69326725), (5, 41596035), (13, 15998475), (15, 13865345), (19, 10946325), (25, 8319207), (39, 5332825), (57, 3648775), (65, 3199695), (75, 2773069), (95, 2189265), (103, 2019225), (109, 1908075), (195, 1066565), (247, 842025), (285, 729755), (309, 673075), (325, 639939), (327, 636025), (475, 437853), (515, 403845), (545, 381615), (741, 280675), (975, 213313), (1235, 168405), (1339, 155325), (1417, 146775), (1425, 145951), (1545, 134615), (1635, 127205), (1957, 106275), (2071, 100425), (2575, 80769), (2725, 76323), (3705, 56135), (4017, 51775), (4251, 48925), (5871, 35425), (6175, 33681), (6213, 33475), (6695, 31065), (7085, 29355), (7725, 26923), (8175, 25441), (9785, 21255), (10355, 20085), (11227, 18525)]