73739475

素因数分解:

$3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{367}}^1$

素因数の和:449

約数の個数: 72

約数和(自身を含む): 142371840

約数和(自身を除く): 68632365

約数列:

[1, 3, 5, 9, 15, 19, 25, 45, 47, 57, 75, 95, 141, 171, 225, 235, 285, 367, 423, 475, 705, 855, 893, 1101, 1175, 1425, 1835, 2115, 2679, 3303, 3525, 4275, 4465, 5505, 6973, 8037, 9175, 10575, 13395, 16515, 17249, 20919, 22325, 27525, 34865, 40185, 51747, 62757, 66975, 82575, 86245, 104595, 155241, 174325, 200925, 258735, 313785, 327731, 431225, 522975, 776205, 983193, 1293675, 1568925, 1638655, 2949579, 3881025, 4915965, 8193275, 14747895, 24579825, 73739475]

約数ペア:

[(1, 73739475), (3, 24579825), (5, 14747895), (9, 8193275), (15, 4915965), (19, 3881025), (25, 2949579), (45, 1638655), (47, 1568925), (57, 1293675), (75, 983193), (95, 776205), (141, 522975), (171, 431225), (225, 327731), (235, 313785), (285, 258735), (367, 200925), (423, 174325), (475, 155241), (705, 104595), (855, 86245), (893, 82575), (1101, 66975), (1175, 62757), (1425, 51747), (1835, 40185), (2115, 34865), (2679, 27525), (3303, 22325), (3525, 20919), (4275, 17249), (4465, 16515), (5505, 13395), (6973, 10575), (8037, 9175)]