28077795

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^3\times {\mathrm{127}}^1$

素因数の和:189

約数の個数: 48

約数和(自身を含む): 52116480

約数和(自身を除く): 24038685

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 127, 153, 255, 289, 381, 635, 765, 867, 1143, 1445, 1905, 2159, 2601, 4335, 4913, 5715, 6477, 10795, 13005, 14739, 19431, 24565, 32385, 36703, 44217, 73695, 97155, 110109, 183515, 221085, 330327, 550545, 623951, 1651635, 1871853, 3119755, 5615559, 9359265, 28077795]

約数ペア:

[(1, 28077795), (3, 9359265), (5, 5615559), (9, 3119755), (15, 1871853), (17, 1651635), (45, 623951), (51, 550545), (85, 330327), (127, 221085), (153, 183515), (255, 110109), (289, 97155), (381, 73695), (635, 44217), (765, 36703), (867, 32385), (1143, 24565), (1445, 19431), (1905, 14739), (2159, 13005), (2601, 10795), (4335, 6477), (4913, 5715)]