16563105

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1231}}^1$

素因数の和:1278

約数の個数: 48

約数和(自身を含む): 32288256

約数和(自身を除く): 15725151

約数列:

[1, 3, 5, 9, 13, 15, 23, 39, 45, 65, 69, 115, 117, 195, 207, 299, 345, 585, 897, 1035, 1231, 1495, 2691, 3693, 4485, 6155, 11079, 13455, 16003, 18465, 28313, 48009, 55395, 80015, 84939, 141565, 144027, 240045, 254817, 368069, 424695, 720135, 1104207, 1274085, 1840345, 3312621, 5521035, 16563105]

約数ペア:

[(1, 16563105), (3, 5521035), (5, 3312621), (9, 1840345), (13, 1274085), (15, 1104207), (23, 720135), (39, 424695), (45, 368069), (65, 254817), (69, 240045), (115, 144027), (117, 141565), (195, 84939), (207, 80015), (299, 55395), (345, 48009), (585, 28313), (897, 18465), (1035, 16003), (1231, 13455), (1495, 11079), (2691, 6155), (3693, 4485)]