27937975

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1$

素因数の和:160

約数の個数: 48

約数和(自身を含む): 39997440

約数和(自身を除く): 12059465

約数列:

[1, 5, 13, 25, 31, 47, 59, 65, 155, 235, 295, 325, 403, 611, 767, 775, 1175, 1457, 1475, 1829, 2015, 2773, 3055, 3835, 7285, 9145, 10075, 13865, 15275, 18941, 19175, 23777, 36049, 36425, 45725, 69325, 85963, 94705, 118885, 180245, 429815, 473525, 594425, 901225, 1117519, 2149075, 5587595, 27937975]

約数ペア:

[(1, 27937975), (5, 5587595), (13, 2149075), (25, 1117519), (31, 901225), (47, 594425), (59, 473525), (65, 429815), (155, 180245), (235, 118885), (295, 94705), (325, 85963), (403, 69325), (611, 45725), (767, 36425), (775, 36049), (1175, 23777), (1457, 19175), (1475, 18941), (1829, 15275), (2015, 13865), (2773, 10075), (3055, 9145), (3835, 7285)]