23143425

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{149}}^1$

素因数の和:290

約数の個数: 48

約数和(自身を含む): 40920000

約数和(自身を除く): 17776575

約数列:

[1, 3, 5, 15, 19, 25, 57, 75, 95, 109, 149, 285, 327, 447, 475, 545, 745, 1425, 1635, 2071, 2235, 2725, 2831, 3725, 6213, 8175, 8493, 10355, 11175, 14155, 16241, 31065, 42465, 48723, 51775, 70775, 81205, 155325, 212325, 243615, 308579, 406025, 925737, 1218075, 1542895, 4628685, 7714475, 23143425]

約数ペア:

[(1, 23143425), (3, 7714475), (5, 4628685), (15, 1542895), (19, 1218075), (25, 925737), (57, 406025), (75, 308579), (95, 243615), (109, 212325), (149, 155325), (285, 81205), (327, 70775), (447, 51775), (475, 48723), (545, 42465), (745, 31065), (1425, 16241), (1635, 14155), (2071, 11175), (2235, 10355), (2725, 8493), (2831, 8175), (3725, 6213)]