418973925

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{5387}}^1$

素因数の和:5478

約数の個数: 48

約数和(自身を含む): 745612992

約数和(自身を除く): 326639067

約数列:

[1, 3, 5, 15, 17, 25, 51, 61, 75, 85, 183, 255, 305, 425, 915, 1037, 1275, 1525, 3111, 4575, 5185, 5387, 15555, 16161, 25925, 26935, 77775, 80805, 91579, 134675, 274737, 328607, 404025, 457895, 985821, 1373685, 1643035, 2289475, 4929105, 5586319, 6868425, 8215175, 16758957, 24645525, 27931595, 83794785, 139657975, 418973925]

約数ペア:

[(1, 418973925), (3, 139657975), (5, 83794785), (15, 27931595), (17, 24645525), (25, 16758957), (51, 8215175), (61, 6868425), (75, 5586319), (85, 4929105), (183, 2289475), (255, 1643035), (305, 1373685), (425, 985821), (915, 457895), (1037, 404025), (1275, 328607), (1525, 274737), (3111, 134675), (4575, 91579), (5185, 80805), (5387, 77775), (15555, 26935), (16161, 25925)]