85897575

素因数分解:

$3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{283}}^1$

素因数の和:389

約数の個数: 72

約数和(自身を含む): 164810880

約数和(自身を除く): 78913305

約数列:

[1, 3, 5, 9, 15, 19, 25, 45, 57, 71, 75, 95, 171, 213, 225, 283, 285, 355, 475, 639, 849, 855, 1065, 1349, 1415, 1425, 1775, 2547, 3195, 4047, 4245, 4275, 5325, 5377, 6745, 7075, 12141, 12735, 15975, 16131, 20093, 20235, 21225, 26885, 33725, 48393, 60279, 60705, 63675, 80655, 100465, 101175, 134425, 180837, 241965, 301395, 303525, 381767, 403275, 502325, 904185, 1145301, 1209825, 1506975, 1908835, 3435903, 4520925, 5726505, 9544175, 17179515, 28632525, 85897575]

約数ペア:

[(1, 85897575), (3, 28632525), (5, 17179515), (9, 9544175), (15, 5726505), (19, 4520925), (25, 3435903), (45, 1908835), (57, 1506975), (71, 1209825), (75, 1145301), (95, 904185), (171, 502325), (213, 403275), (225, 381767), (283, 303525), (285, 301395), (355, 241965), (475, 180837), (639, 134425), (849, 101175), (855, 100465), (1065, 80655), (1349, 63675), (1415, 60705), (1425, 60279), (1775, 48393), (2547, 33725), (3195, 26885), (4047, 21225), (4245, 20235), (4275, 20093), (5325, 16131), (5377, 15975), (6745, 12735), (7075, 12141)]