78945285

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{61}}^1\times {\mathrm{239}}^1$

素因数の和:346

約数の個数: 48

約数和(自身を含む): 136062720

約数和(自身を除く): 57117435

約数列:

[1, 3, 5, 15, 19, 57, 61, 95, 183, 239, 285, 305, 361, 717, 915, 1083, 1159, 1195, 1805, 3477, 3585, 4541, 5415, 5795, 13623, 14579, 17385, 22021, 22705, 43737, 66063, 68115, 72895, 86279, 110105, 218685, 258837, 277001, 330315, 431395, 831003, 1294185, 1385005, 4155015, 5263019, 15789057, 26315095, 78945285]

約数ペア:

[(1, 78945285), (3, 26315095), (5, 15789057), (15, 5263019), (19, 4155015), (57, 1385005), (61, 1294185), (95, 831003), (183, 431395), (239, 330315), (285, 277001), (305, 258837), (361, 218685), (717, 110105), (915, 86279), (1083, 72895), (1159, 68115), (1195, 66063), (1805, 43737), (3477, 22705), (3585, 22021), (4541, 17385), (5415, 14579), (5795, 13623)]