291264255

素因数分解:

$3^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{24799}}^1$

素因数の和:24845

約数の個数: 40

約数和(自身を含む): 540144000

約数和(自身を除く): 248879745

約数列:

[1, 3, 5, 9, 15, 27, 29, 45, 81, 87, 135, 145, 261, 405, 435, 783, 1305, 2349, 3915, 11745, 24799, 74397, 123995, 223191, 371985, 669573, 719171, 1115955, 2008719, 2157513, 3347865, 3595855, 6472539, 10043595, 10787565, 19417617, 32362695, 58252851, 97088085, 291264255]

約数ペア:

[(1, 291264255), (3, 97088085), (5, 58252851), (9, 32362695), (15, 19417617), (27, 10787565), (29, 10043595), (45, 6472539), (81, 3595855), (87, 3347865), (135, 2157513), (145, 2008719), (261, 1115955), (405, 719171), (435, 669573), (783, 371985), (1305, 223191), (2349, 123995), (3915, 74397), (11745, 24799)]