28869165

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{809}}^1$

素因数の和:894

約数の個数: 48

約数和(自身を含む): 54840240

約数和(自身を除く): 25971075

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 61, 65, 117, 183, 195, 305, 549, 585, 793, 809, 915, 2379, 2427, 2745, 3965, 4045, 7137, 7281, 10517, 11895, 12135, 31551, 35685, 36405, 49349, 52585, 94653, 148047, 157755, 246745, 444141, 473265, 641537, 740235, 1924611, 2220705, 3207685, 5773833, 9623055, 28869165]

約数ペア:

[(1, 28869165), (3, 9623055), (5, 5773833), (9, 3207685), (13, 2220705), (15, 1924611), (39, 740235), (45, 641537), (61, 473265), (65, 444141), (117, 246745), (183, 157755), (195, 148047), (305, 94653), (549, 52585), (585, 49349), (793, 36405), (809, 35685), (915, 31551), (2379, 12135), (2427, 11895), (2745, 10517), (3965, 7281), (4045, 7137)]