71430615

素因数分解:

$3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{283}}^1$

素因数の和:444

約数の個数: 48

約数和(自身を含む): 127595520

約数和(自身を除く): 56164905

約数列:

[1, 3, 5, 9, 15, 45, 71, 79, 213, 237, 283, 355, 395, 639, 711, 849, 1065, 1185, 1415, 2547, 3195, 3555, 4245, 5609, 12735, 16827, 20093, 22357, 28045, 50481, 60279, 67071, 84135, 100465, 111785, 180837, 201213, 252405, 301395, 335355, 904185, 1006065, 1587347, 4762041, 7936735, 14286123, 23810205, 71430615]

約数ペア:

[(1, 71430615), (3, 23810205), (5, 14286123), (9, 7936735), (15, 4762041), (45, 1587347), (71, 1006065), (79, 904185), (213, 335355), (237, 301395), (283, 252405), (355, 201213), (395, 180837), (639, 111785), (711, 100465), (849, 84135), (1065, 67071), (1185, 60279), (1415, 50481), (2547, 28045), (3195, 22357), (3555, 20093), (4245, 16827), (5609, 12735)]