2393955

素因数分解:

$3^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{257}}^1$

素因数の和:297

約数の個数: 40

約数和(自身を含む): 4495392

約数和(自身を除く): 2101437

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 81, 115, 135, 207, 257, 345, 405, 621, 771, 1035, 1285, 1863, 2313, 3105, 3855, 5911, 6939, 9315, 11565, 17733, 20817, 29555, 34695, 53199, 88665, 104085, 159597, 265995, 478791, 797985, 2393955]

約数ペア:

[(1, 2393955), (3, 797985), (5, 478791), (9, 265995), (15, 159597), (23, 104085), (27, 88665), (45, 53199), (69, 34695), (81, 29555), (115, 20817), (135, 17733), (207, 11565), (257, 9315), (345, 6939), (405, 5911), (621, 3855), (771, 3105), (1035, 2313), (1285, 1863)]