210977865

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{74419}}^1$

素因数の和:74443

約数の個数: 40

約数和(自身を含む): 432231360

約数和(自身を除く): 221253495

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 81, 105, 135, 189, 315, 405, 567, 945, 2835, 74419, 223257, 372095, 520933, 669771, 1116285, 1562799, 2009313, 2604665, 3348855, 4688397, 6027939, 7813995, 10046565, 14065191, 23441985, 30139695, 42195573, 70325955, 210977865]

約数ペア:

[(1, 210977865), (3, 70325955), (5, 42195573), (7, 30139695), (9, 23441985), (15, 14065191), (21, 10046565), (27, 7813995), (35, 6027939), (45, 4688397), (63, 3348855), (81, 2604665), (105, 2009313), (135, 1562799), (189, 1116285), (315, 669771), (405, 520933), (567, 372095), (945, 223257), (2835, 74419)]