4212975

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1$

素因数の和:204

約数の個数: 48

約数和(自身を含む): 7812000

約数和(自身を除く): 3599025

約数列:

[1, 3, 5, 13, 15, 25, 29, 39, 65, 75, 87, 145, 149, 195, 325, 377, 435, 447, 725, 745, 975, 1131, 1885, 1937, 2175, 2235, 3725, 4321, 5655, 5811, 9425, 9685, 11175, 12963, 21605, 28275, 29055, 48425, 56173, 64815, 108025, 145275, 168519, 280865, 324075, 842595, 1404325, 4212975]

約数ペア:

[(1, 4212975), (3, 1404325), (5, 842595), (13, 324075), (15, 280865), (25, 168519), (29, 145275), (39, 108025), (65, 64815), (75, 56173), (87, 48425), (145, 29055), (149, 28275), (195, 21605), (325, 12963), (377, 11175), (435, 9685), (447, 9425), (725, 5811), (745, 5655), (975, 4321), (1131, 3725), (1885, 2235), (1937, 2175)]