78947235

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{3329}}^1$

素因数の和:3388

約数の個数: 48

約数和(自身を含む): 149610240

約数和(自身を除く): 70663005

約数列:

[1, 3, 5, 9, 15, 17, 31, 45, 51, 85, 93, 153, 155, 255, 279, 465, 527, 765, 1395, 1581, 2635, 3329, 4743, 7905, 9987, 16645, 23715, 29961, 49935, 56593, 103199, 149805, 169779, 282965, 309597, 509337, 515995, 848895, 928791, 1547985, 1754383, 2546685, 4643955, 5263149, 8771915, 15789447, 26315745, 78947235]

約数ペア:

[(1, 78947235), (3, 26315745), (5, 15789447), (9, 8771915), (15, 5263149), (17, 4643955), (31, 2546685), (45, 1754383), (51, 1547985), (85, 928791), (93, 848895), (153, 515995), (155, 509337), (255, 309597), (279, 282965), (465, 169779), (527, 149805), (765, 103199), (1395, 56593), (1581, 49935), (2635, 29961), (3329, 23715), (4743, 16645), (7905, 9987)]