28478655

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{12409}}^1$

素因数の和:12440

約数の個数: 32

約数和(自身を含む): 53611200

約数和(自身を除く): 25132545

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 85, 135, 153, 255, 459, 765, 2295, 12409, 37227, 62045, 111681, 186135, 210953, 335043, 558405, 632859, 1054765, 1675215, 1898577, 3164295, 5695731, 9492885, 28478655]

約数ペア:

[(1, 28478655), (3, 9492885), (5, 5695731), (9, 3164295), (15, 1898577), (17, 1675215), (27, 1054765), (45, 632859), (51, 558405), (85, 335043), (135, 210953), (153, 186135), (255, 111681), (459, 62045), (765, 37227), (2295, 12409)]