18629025

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{769}}^1$

素因数の和:818

約数の個数: 48

約数和(自身を含む): 34372800

約数和(自身を除く): 15743775

約数列:

[1, 3, 5, 15, 17, 19, 25, 51, 57, 75, 85, 95, 255, 285, 323, 425, 475, 769, 969, 1275, 1425, 1615, 2307, 3845, 4845, 8075, 11535, 13073, 14611, 19225, 24225, 39219, 43833, 57675, 65365, 73055, 196095, 219165, 248387, 326825, 365275, 745161, 980475, 1095825, 1241935, 3725805, 6209675, 18629025]

約数ペア:

[(1, 18629025), (3, 6209675), (5, 3725805), (15, 1241935), (17, 1095825), (19, 980475), (25, 745161), (51, 365275), (57, 326825), (75, 248387), (85, 219165), (95, 196095), (255, 73055), (285, 65365), (323, 57675), (425, 43833), (475, 39219), (769, 24225), (969, 19225), (1275, 14611), (1425, 13073), (1615, 11535), (2307, 8075), (3845, 4845)]