31239525

素因数分解:

$3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{271}}^1$

素因数の和:366

約数の個数: 48

約数和(自身を含む): 54639360

約数和(自身を除く): 23399835

約数列:

[1, 3, 5, 15, 25, 29, 53, 75, 87, 145, 159, 265, 271, 435, 725, 795, 813, 1325, 1355, 1537, 2175, 3975, 4065, 4611, 6775, 7685, 7859, 14363, 20325, 23055, 23577, 38425, 39295, 43089, 71815, 115275, 117885, 196475, 215445, 359075, 416527, 589425, 1077225, 1249581, 2082635, 6247905, 10413175, 31239525]

約数ペア:

[(1, 31239525), (3, 10413175), (5, 6247905), (15, 2082635), (25, 1249581), (29, 1077225), (53, 589425), (75, 416527), (87, 359075), (145, 215445), (159, 196475), (265, 117885), (271, 115275), (435, 71815), (725, 43089), (795, 39295), (813, 38425), (1325, 23577), (1355, 23055), (1537, 20325), (2175, 14363), (3975, 7859), (4065, 7685), (4611, 6775)]