208399695

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{14923}}^1$

素因数の和:14964

約数の個数: 48

約数和(自身を含む): 408320640

約数和(自身を除く): 199920945

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 49, 57, 95, 105, 133, 147, 245, 285, 399, 665, 735, 931, 1995, 2793, 4655, 13965, 14923, 44769, 74615, 104461, 223845, 283537, 313383, 522305, 731227, 850611, 1417685, 1566915, 1984759, 2193681, 3656135, 4253055, 5954277, 9923795, 10968405, 13893313, 29771385, 41679939, 69466565, 208399695]

約数ペア:

[(1, 208399695), (3, 69466565), (5, 41679939), (7, 29771385), (15, 13893313), (19, 10968405), (21, 9923795), (35, 5954277), (49, 4253055), (57, 3656135), (95, 2193681), (105, 1984759), (133, 1566915), (147, 1417685), (245, 850611), (285, 731227), (399, 522305), (665, 313383), (735, 283537), (931, 223845), (1995, 104461), (2793, 74615), (4655, 44769), (13965, 14923)]