5149215

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1$

素因数の和:208

約数の個数: 48

約数和(自身を含む): 9704448

約数和(自身を除く): 4555233

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 53, 85, 127, 153, 159, 255, 265, 381, 477, 635, 765, 795, 901, 1143, 1905, 2159, 2385, 2703, 4505, 5715, 6477, 6731, 8109, 10795, 13515, 19431, 20193, 32385, 33655, 40545, 60579, 97155, 100965, 114427, 302895, 343281, 572135, 1029843, 1716405, 5149215]

約数ペア:

[(1, 5149215), (3, 1716405), (5, 1029843), (9, 572135), (15, 343281), (17, 302895), (45, 114427), (51, 100965), (53, 97155), (85, 60579), (127, 40545), (153, 33655), (159, 32385), (255, 20193), (265, 19431), (381, 13515), (477, 10795), (635, 8109), (765, 6731), (795, 6477), (901, 5715), (1143, 4505), (1905, 2703), (2159, 2385)]