16180515

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1627}}^1$

素因数の和:1668

約数の個数: 48

約数和(自身を含む): 31999968

約数和(自身を除く): 15819453

約数列:

[1, 3, 5, 9, 13, 15, 17, 39, 45, 51, 65, 85, 117, 153, 195, 221, 255, 585, 663, 765, 1105, 1627, 1989, 3315, 4881, 8135, 9945, 14643, 21151, 24405, 27659, 63453, 73215, 82977, 105755, 138295, 190359, 248931, 317265, 359567, 414885, 951795, 1078701, 1244655, 1797835, 3236103, 5393505, 16180515]

約数ペア:

[(1, 16180515), (3, 5393505), (5, 3236103), (9, 1797835), (13, 1244655), (15, 1078701), (17, 951795), (39, 414885), (45, 359567), (51, 317265), (65, 248931), (85, 190359), (117, 138295), (153, 105755), (195, 82977), (221, 73215), (255, 63453), (585, 27659), (663, 24405), (765, 21151), (1105, 14643), (1627, 9945), (1989, 8135), (3315, 4881)]