51355575

素因数分解:

$3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{293}}^1$

素因数の和:369

約数の個数: 72

約数和(自身を含む): 99524880

約数和(自身を除く): 48169305

約数列:

[1, 3, 5, 9, 15, 19, 25, 41, 45, 57, 75, 95, 123, 171, 205, 225, 285, 293, 369, 475, 615, 779, 855, 879, 1025, 1425, 1465, 1845, 2337, 2637, 3075, 3895, 4275, 4395, 5567, 7011, 7325, 9225, 11685, 12013, 13185, 16701, 19475, 21975, 27835, 35055, 36039, 50103, 58425, 60065, 65925, 83505, 108117, 139175, 175275, 180195, 228247, 250515, 300325, 417525, 540585, 684741, 900975, 1141235, 1252575, 2054223, 2702925, 3423705, 5706175, 10271115, 17118525, 51355575]

約数ペア:

[(1, 51355575), (3, 17118525), (5, 10271115), (9, 5706175), (15, 3423705), (19, 2702925), (25, 2054223), (41, 1252575), (45, 1141235), (57, 900975), (75, 684741), (95, 540585), (123, 417525), (171, 300325), (205, 250515), (225, 228247), (285, 180195), (293, 175275), (369, 139175), (475, 108117), (615, 83505), (779, 65925), (855, 60065), (879, 58425), (1025, 50103), (1425, 36039), (1465, 35055), (1845, 27835), (2337, 21975), (2637, 19475), (3075, 16701), (3895, 13185), (4275, 12013), (4395, 11685), (5567, 9225), (7011, 7325)]